List of Republicans who opposed the Donald Trump 2020 presidential campaign
This is a list of Republicans and conservatives who opposed the re-election of incumbent Donald Trump, the 2020 Republican Party nominee for President of the United States. Among them are former Republicans who left the party in 2016 or later due to their opposition to Trump, those who held office as a Republican, Republicans who endorsed a different candidate, and Republican presidential primary election candidates that announced opposition to Trump as the presumptive nominee.