| Guest talk featuring lawmaker shut down early after students fighting over Middle East overwhelm event | University of Maryland | 03/28/2024 | Guest Speaker | No | Canceled |
| MIT Refused To Host Dennis Ross. It Invited a Hamas Apologist Instead. | Massachusetts Institute of Technology | 03/15/2024 | Guest Speaker | No | Canceled |
| Canadian government cancels University College London Professor Alice Sullivan's talk due to views on trans issues | University College London | 03/08/2024 | Guest Speaker | No | Canceled |
| Climate realist’s UN talk ‘postponed indefinitely’ despite past promises | various | 01/02/2024 | Guest Speaker | No | Canceled |
| Feminist artist’s guest lecture canceled for speaking out against transgender ideology | Northeastern University Oakland | 11/15/2023 | Guest Speaker | No | Canceled |
| Renowned oncologist’s speech canceled over contrarian COVID views | University of California San Francisco | 10/17/2023 | Guest Speaker | No | Canceled |
| University cancels planned talk on Christianity’s influence on civilization | University of New Brunswick | 10/03/2023 | Guest Speaker | No | Canceled |
| Rowdy protesters shut down conservative Princeton professor’s ‘truth-seeking’ speech | Washington College | 09/12/2023 | Guest Speaker | No | Canceled |
| USD rejects request to host Matt Walsh talk titled ‘It’s your fault you’re offended’ | University of San Diego | 08/25/2023 | Guest Speaker | No | Canceled |
| ‘Biblical manhood’ event canceled by Christian university | Belmont University | 07/01/2023 | Guest Speaker | No | Canceled |
| Med school cancels anti-DEI event because it could ‘jeopardize safety’ | Medical College of Wisconsin | 05/08/2023 | Guest Speaker | No | Canceled |
| Student Government rejected TPUSA chapter's proposal to have Xi Van Fleet speak on campus. | Whitworth University | 04/12/2023 | Guest Speaker | No | Canceled |
| Conservative author withdraws from speech after cancel campaign launched against her | Furman University | 03/27/2023 | Guest Speaker | No | Canceled |
| MIT cancels Pompeo speech to avoid offending Chinese students | Massachusetts Institute of Technology | 03/15/2023 | Guest Speaker | No | Canceled |
| Trans-rights protesters shut down gay professor’s ‘divorce LGB from T’ talk | McGill University | 01/10/2023 | Guest Speaker | No | Canceled |
| Ann Coulter speech shut down after repeated disruptions, outbursts | Cornell University | 11/09/2022 | Guest Speaker | No | Canceled |
| As protest turns chaotic, Penn State abruptly cancels ‘Uncensored America’ event featuring Gavin McInnes | Pennsylvania State University | 10/25/2022 | Guest Speaker | No | Canceled |
| Left-wing rioters shut down conservative pundit Tomi Lahren's talk | University of New Mexico | 09/17/2022 | Guest Speaker | No | Canceled |
| Police escort YAF conservative speaker Elisha Krauss off campus while leftists protest | Saint Louis University | 05/04/2022 | Guest Speaker | No | Canceled |
| Harvard disinvites feminist philosopher Devin Buckley for opposing transgender ideology | Harvard University | 04/25/2022 | Guest Speaker | No | Canceled |
| BLM protesters grab mic, chase down student, disrupt and shut down YAF Allen West event | University at Buffalo | 04/07/2022 | Guest Speaker | No | Canceled |
| Obama Homeland chief, accused of ‘violence on marginalized peoples,’ withdraws as grad speaker | Vassar College | 03/05/2022 | Guest Speaker | No | Canceled |
| Aggressive activists shut down campus event critical of child gender transitions | University of North Texas | 03/03/2022 | Guest Speaker | No | Canceled |
| Hostile law students shout down constitutional law scholar who criticized affirmative action | UC Hastings College of the Law | 03/01/2022 | Guest Speaker | No | Canceled |
| Christian college cancels speaker who told students to avoid sexual immorality | Gordon College | 02/28/2022 | Guest Speaker | No | Canceled |
| ASU cancels fundraiser with Republican congressmen | Arizona State University | 01/19/2022 | Guest Speaker | No | Canceled |
| Christian university disinvites presidential historian due to Planned Parenthood links | Samford University | 10/29/2021 | Guest Speaker | No | Canceled |
| Journalist declines invitation after uproar over his ‘racism,' i.e. being against making snap judgments on cops | DePaul University | 10/09/2021 | Guest Speaker | No | Canceled |
| MIT cancels science lecture by Professor Dorian Abbot, a DEI critic, after cancel culture campaign | Massachusetts Institute of Technology | 10/04/2021 | Guest Speaker | No | Canceled |
| Elizabethtown College bars anti-CRT speaker | Elizabethtown College | 09/27/2021 | Guest Speaker | No | Canceled |
| Activists flex muscles to stop Biden from speaking at Notre Dame graduation | University of Notre Dame | 05/26/2021 | Guest Speaker | No | Canceled |
| Discussion on Uighers zoombombed after Chinese students attempt to cancel it | Brandeis University | 11/25/2020 | Guest Speaker | No | Canceled |
| Student debate club disinvites Richard Dawkins | Trinity College Dublin | 09/28/2020 | Guest Speaker | No | Canceled |
| Wisconsin college cancels VP Mike Pence as commencement speaker | Wisconsin Lutheran College | 08/27/2020 | Guest Speaker | No | Canceled |
| University disinvites antiracism author after student government calls him ‘antithetical to anti-racist work’ | Tulane University | 08/06/2020 | Guest Speaker | Yes | Canceled |
| Chinese dissident told Harvard event must be canceled to please powerful people in China | Harvard University | 04/28/2020 | Guest Speaker | No | Canceled |
| University bans taxpayer advocate because of unspecified ‘safety and security’ fears | University of Victoria | 03/13/2020 | Guest Speaker | No | Canceled |
| University cancels Andy Ngo Antifa speech | University of British Columbia | 01/14/2020 | Guest Speaker | No | Canceled |
| Politically incorrect comedian shut down by students | Bryant University | 11/27/2019 | Guest Speaker | No | Canceled |
| Panel with Chinese human rights activist canceled | Columbia University | 11/20/2019 | Guest Speaker | No | Canceled |
| VIDEO: Unruly campus activists shut down YAF speech by ‘father of supply-side economics’ Arthur Laffer | SUNY Binghamton | 11/19/2019 | Guest Speaker | No | Canceled |
| Scholar Stanley Fish disinvited from speaking at Seton Hall University | Seton Hall University | 11/17/2019 | Guest Speaker | No | Canceled |
| Donald Trump Jr.’s UCLA appearance cut short by right-wing hecklers | UCLA | 11/11/2019 | Guest Speaker | No | Canceled |
| Event with former ICE speaker canceled due to protestors | University of Pennsylvania | 10/26/2019 | Guest Speaker | No | Canceled |
| Protestors shut down Trump official DHS speaker event | Georgetown University | 10/07/2019 | Guest Speaker | No | Canceled |
| U.S. Army War College disinvites speaker critical of Islam | U.S. Army War College | 07/01/2019 | Guest Speaker | No | Canceled |
| Obama's homeland security chief withdraws from graduation speech after protests | University of Southern California | 05/03/2019 | Guest Speaker | No | Canceled |
| Conservative Ryszard Legutko gives speech in semi-secret after college abruptly canceled talk amid protests | Middlebury College | 04/18/2019 | Guest Speaker | No | Canceled |
| Protestors shut down speaker at YAF Event | Beloit College | 03/28/2019 | Guest Speaker | No | Canceled |
| Black Christian speaker disinvited from abortion debate thanks to the heckler's veto | Cornell University | 03/27/2019 | Guest Speaker | No | Canceled |
| Iranian ex-Muslim speech for Atheist group canceled in the aftermath of ChristChurch Shooting | Mount Royal University | 03/23/2019 | Guest Speaker | No | Canceled |
| University rescinds Dr. Jordan Peterson's fellowship offer | Cambridge University | 03/21/2019 | Guest Speaker | No | Canceled |
| Legal scholar disinvited from lecture over answer to polarizing legal question | Harvard University | 03/05/2019 | Guest Speaker | No | Canceled |
| University blocks the appearance of pro-life speaker Star Parker | University of Northwestern St. Paul | 03/05/2019 | Guest Speaker | No | Canceled |
| Christian university faces massive backlash after decision to ban Ben Shapiro | Grand Canyon University | 02/02/2019 | Guest Speaker | No | Canceled |
| Economist disinvited from House Committee after media digs up college satire project | San Diego State University | 12/13/2018 | Guest Speaker | No | Canceled |
| Stanford tells College Republicans they can’t use donor to pay $19K security fee for Dinesh D'Souza event | Stanford University | 11/30/2018 | Guest Speaker | No | Canceled |
| Student protestors drown out debate between Turning Point USA leader and his critics | University of Texas Austin | 11/02/2018 | Guest Speaker | No | Canceled |
| NYC mayor requests postponement of Milo Yiannopoulos speech | New York University | 10/31/2018 | Guest Speaker | No | Canceled |
| University postpones speech by critic of radical Islam | Rutgers University | 10/16/2018 | Guest Speaker | No | Canceled |
| College bans Milo Yiannopoulos from speaking on campus | Ithaca College | 04/26/2018 | Guest Speaker | No | Canceled |
| Scripps College denies requests for conservative Andrew Klavan to speak on campus | Scripps College | 04/17/2018 | Guest Speaker | No | Canceled |
| College denies request for Ben Shapiro talk, says he’s too divisive in time of racial healing | St. Olaf College | 03/22/2018 | Guest Speaker | No | Canceled |
| Supposedly offensive commencement speaker replaced with Anita Hill | Wesleyan University | 03/02/2018 | Guest Speaker | No | Canceled |
| Creationist Ken Ham disinvited from speaking at Univ. of Central Oklahoma | University of Central Oklahoma | 02/08/2018 | Guest Speaker | No | Canceled |
| Conservative speaker Ben Shapiro's YAF speech not allowed on Concordia Moorhead campus | Concordia College | 12/07/2017 | Guest Speaker | No | Canceled |
| Citing ‘risk,’ college cancels Second Amendment activist’s speech hours before it begins | Hampshire College | 12/07/2017 | Guest Speaker | No | Canceled |
| Black gun rights activist disinvited from speech | Hampshire College | 12/06/2017 | Guest Speaker | No | Canceled |
| College Republicans disinvite gay anti-Sharia speaker for supposed ‘hate’ group association | New York University | 10/25/2017 | Guest Speaker | No | Canceled |
| J-school disinvites Professor Mike Adams due to ‘risk of offending students’ | University of Montana | 10/18/2017 | Guest Speaker | No | Canceled |
| Documents reveal GOP speech unfairly shut down at historically black college | Texas Southern University | 10/16/2017 | Guest Speaker | No | Canceled |
| Texas university cancels Republican’s speech as Black Lives Matter shouts lawmaker down | Texas Southern University | 10/11/2017 | Guest Speaker | No | Canceled |
| Student protestors shut down president's speech to protest 'fascism' | University of Oregon | 10/09/2017 | Guest Speaker | No | Canceled |
| College Republicans cry foul after SDSU cancels Milo Yiannopoulos event | San Diego State University | 10/04/2017 | Guest Speaker | No | Canceled |
| Black Lives Matter protesters shut down ACLU free speech event | College of William and Mary | 10/04/2017 | Guest Speaker | No | Canceled |
| Charles Murray disinvited from speech at Catholic College | Assumption College | 09/13/2017 | Guest Speaker | No | Canceled |
| Again alt-right leader Richard Spencer preemptively banned from campus speech | Michigan State University | 09/05/2017 | Guest Speaker | Yes | Canceled |
| Another university preemptively bans alt-right leader Richard Spencer | University of North Carolina Chapel Hill | 08/30/2017 | Guest Speaker | Yes | Canceled |
| Pennsylvania State bans Richard Spencer from speaking on campus | Pennsylvania State University | 08/24/2017 | Guest Speaker | Yes | Canceled |
| Richard Dawkins speech canceled due to progressives protesting his comments about Islam | University of California Berkeley | 07/21/2017 | Guest Speaker | No | Canceled |
| Students prevent an ICE representative to speak on campus | Northwestern University | 06/02/2017 | Guest Speaker | No | Canceled |
| Nobel Prize winning scientist disinvited over comments about Africa | University of Illinois | 05/23/2017 | Guest Speaker | No | Canceled |
| DePaul rescinds Gavin McInnes’ invitation to speak on campus, claims he’s too dangerous | DePaul University | 05/18/2017 | Guest Speaker | No | Canceled |
| College cancels GOP senator's commencement speech | Texas Southern University | 05/15/2017 | Guest Speaker | No | Canceled |
| Ann Coulter forced to pull out of speech due to threats | University of California Berkeley | 04/26/2017 | Guest Speaker | No | Canceled |
| Jordan Peterson disinvited from lecture due to 'safe space' joke | Linfield College | 04/20/2017 | Guest Speaker | No | Canceled |
| Angry mob shuts down Heather Mac Donald Blue Lives Matter speech | Claremont McKenna College | 04/07/2017 | Guest Speaker | No | Canceled |
| Heckler's veto: Red tape, security concerns, admin demands lead to cancelation of David Horowitz speech | University of California Berkeley | 04/04/2017 | Guest Speaker | No | Canceled |
| Canadians anti-free speech zealots shut down Toronto lawyer's speech | Wilfried Laurier University | 03/19/2017 | Guest Speaker | No | Canceled |
| Dozens of students shout down Charles Murray speech, force him to evacuate lecture hall | Middlebury College | 03/03/2017 | Guest Speaker | No | Canceled |
| Night of terror': UC Berkeley in flames in violent protest against Milo Yiannopoulos speech | University of California Berkeley | 02/04/2017 | Guest Speaker | No | Canceled |
| Protestors go berserk, force cancelation of Milo Yiannopoulos event | University of California Davis | 01/14/2017 | Guest Speaker | No | Canceled |
| Conservative journalist Caroline Glick guest speech canceled at UT Austin | University of Texas Austin | 11/15/2016 | Guest Speaker | No | Canceled |
| University canceled Milo Yiannopoulos speech due to 'security concerns' | New York University | 10/23/2016 | Guest Speaker | No | Canceled |
| NYU disinvites controversial Nobel Prize-winning scientist from giving guest lecture | New York University | 09/16/2016 | Guest Speaker | No | Canceled |
| University bans Ben Shapiro from speaking on campus | DePaul University | 08/01/2016 | Guest Speaker | No | Canceled |
| Flemming Rose, editor of the Danish Mohammad cartoon, disinvited from speaking | University of Cape Town | 07/22/2016 | Guest Speaker | No | Canceled |
| Black pro-life speaker shouted down at Harvard Law event, called ‘f*cking piece of sh*t’ | Harvard University | 05/19/2016 | Guest Speaker | No | Canceled |
| Black conservative scholar disinvited from speech over protest concerns | Virginia Tech | 05/02/2016 | Guest Speaker | No | Canceled |
| Paleoconservative accused of ‘hate speech’ disinvited to speak at Williams College | Williams College | 02/18/2016 | Guest Speaker | No | Canceled |
