List of conspiracy theories promoted by Donald Trump

• Alleged actions by Muslims as claimed by Britain First[1][4]
• Belief that vaccines cause autism[1][2]
• Biden–Ukraine conspiracy theory[5]
• Barack Obama birther conspiracy theories[1][2]
• Central Park Five[6][7][8]
• Climate change denial[1]
• Clinton Body Count[1][9]
• Conspiracy theories related to the Trump–Ukraine scandal[10][11][12]
• COVID-19 conspiracy theories[13][14][15]
• Deep state in the United States[16]
• Epstein didn't kill himself[17]
• Suicide of Vince Foster[1]
• Global warming conspiracy theory[1][2]
• Hurricane Maria death toll controversy[1][2]
• Joe Scarborough murder conspiracy[1][18][19]
• Assassination of John F. Kennedy - alleged Rafael Cruz, the father of Texas Senator and Republican presidential candidate for the 2016 elections Ted Cruz, is tied to Lee Harvey Oswald.[20][21]
• Murder of Seth Rich[22]
• Obamagate – term ascribed in May 2020 to nebulous claims concerning the case of Michael Flynn and alleged unauthorized surveillance of Flynn and others.[23][24]
• Osama bin Laden death conspiracy theories[25]
• QAnon
• Spygate[3][26]
• Stop the Steal[27]
• Syrian refugee as ISIS members conspiracy[1]
• Trump Tower wiretapping allegations[1][2]
• Voter impersonation[1][2]
• White genocide[28][29][30] and Great Replacement[31] conspiracy theories
• Wind turbines cause cancer[1][2]

Donald Trump has encouraged individuals who promote conspiracy theories.

• Alex Jones,[32] publisher of InfoWars, a climate denialist who has said that the World Bank invented the "hoax" of climate change[33] and who also falsely claims that vaccines cause autism[34][35]
• Laura Loomer,[36] who has made false claims about several U.S. mass shootings, including that they were affiliated with ISIS or that the shootings were entirely staged[37][38][39]
• Sidney Powell, an attorney who joined the Trump legal team in 2020, although the team distanced itself from her after she publicly claimed that the 2020 election had been rigged by an elaborate international communist plot.[40] She filed and lost four federal cases, alleging voter fraud of "biblical" proportions and claiming that voting machines had been secretly programmed to switch votes from Biden to Trump.[41][42][43]
• Paul Joseph Watson, who worked for Alex Jones' InfoWars and whose conspiracy theory interests include chemtrails, the New World Order and the Illuminati[44]
• L. Lin Wood, an attorney who promoted conspiracy theories about the 2020 presidential election, claiming that Trump had won the election with 70% of the vote, and that a secret cabal of international communists, Chinese intelligence, and Republican officials had contrived to steal the election from Trump.[45][46]

The flow of debunked or unproven conspiracy theories advanced by Trump has been commented on and mocked by journalists, cartoonists[47] and others.

• Veracity of statements by Donald Trump
• Big lie