The following individuals filed with the Federal Election Commission (FEC) and/or announced their intentions to seek the 2012 presidential nomination of the Republican Party.

[3] Leading up to the convention, Ron Paul won bound pluralities of the official delegations from the states of Iowa, Louisiana, Maine, Minnesota, Nevada, and Oregon (but not the Virgin Islands, despite winning the popular vote there).

Due to disputes these were reduced to Iowa, Minnesota, and Nevada; however, he additionally had nomination-from-the-floor-pluralities in the states of Oregon and Alaska, plus the Virgin Islands.

Santorum suspended his campaign following the hospitalization of his three-year-old daughter Isabella, as well as a strong showing by front runner Mitt Romney in primaries and polls.

He received a total of 30,523 votes from Iowa New Hampshire, Tennessee, Michigan, Georgia, Louisiana, Texas, California, and Puerto Rico, where he came in third place.

After winning the Ames Straw Poll, her candidacy collapsed and after coming sixth in the Iowa caucuses, she suspended her presidential campaign.

On April 25, 2012, Martin dropped his bid for the nomination and announced his intent to remain politically active within the race until the 2012 Republican national convention, at which point he endorsed nominee Mitt Romney.

[59] He stopped running as a Republican candidate on January 31, 2012, in an attempt to get his Rent Is Too Damn High Party on the New York ballot in November via lawsuit.

[60] On September 13, 2012, McMillan dropped out of the race in order to focus on his candidacy for the 2013 New York City mayoral election, and endorsed President Barack Obama.

[62] McCotter was in the July 20 TheTeaParty.net twitter-debate, along with Bachmann, Cain, Gingrich, Johnson, and Santorum, but was not invited to the two Iowa & California televised debates which occurred while he was running.

The following people, who were speculated to be potential candidates for the Republican Party's presidential nomination clearly and unequivocally denied interest publicly, released Shermanesque statements, or declared candidacy for a different political office in 2012.