Republicans break into three columns on Donald Trump: Yes, no, and maybe. Here’s a sample.
Sen. Kelly Ayotte of New Hampshire released a statement saying she will support Trump, though she does not endorse him.
Former House Speaker John Boehner of Ohio said publicly that he will vote for Trump come November.
Iowa Gov. Terry Branstad issued a statement May 4 supporting Trump.
Mississippi Gov. Phil Bryant publicly announced his support for Trump, according to The Clarion-Ledger.
Ben Carson has given his support to Trump since March.
Former Vice President Dick Cheney told CNN on May 7 that he supports Trump.
New Jersey Gov. Chris Christie has given his support to Trump since February.
Sen. Thad Cochran, R-Miss.,issued a statement saying, “I will support our presidential nominee because electing Republicans, from the president to the local level, is the best way to promote our principles: individual liberty, strong national defense, secure borders and effective governance.”
Former Sen. Bob Dole of Kansas, the 1996 presidential nominee, announced his support for Trump on May 6.
Sen. Joni Ernst of Iowa issued a statement May 4 giving support to Trump.
Sen. Charles Grassley of Iowa issued a statement May 4 supporting Trump.
South Carolina Gov. Nikki Haley announced May 4 that she would support Trump.
Rep. George Holding, R-N.C., told McClatchy that Hillary Clinton would damage the country and he wants Trump to win. “I have said from the get-go I would support the nominee. . . . I want (Trump) to be successful and I’ll do my part (to make sure) he’s successful.”
Former Arkansas Gov. Mike Huckabee issued a statement May 4 saying the Republican Party needs to fall in line behind Trump.
Rep. Duncan Hunter of California.
Rep. Darrell Issa of California.
Former Sen. Trent Lott of Mississippi announced his support for Trump on May 4.
Sen. John McCain of Arizona, the 2008 presidential nominee, has called out the Republican establishment for not falling into line behind the popular choice.
Rep. Kevin McCarthy of California, the House majority leader.
Rep. Tom McClintock of California.
Sen. Mitch McConnell of Kentucky, the Senate majority leader, issued a statement May 4 saying he would back the Republican presidential candidate.
Former Alaska Gov. Sarah Palin, the 2008 vice-presidential nominee, has given her support to Trump since January.
Sen. Rand Paul of Kentucky has given his support to Trump since early April.
Former Texas Gov. Rick Perry told CNN in a May 5 phone interview that he will support Trump.
Sen. Ron Portman of Ohio intends to support the Republican presidential nominee, according to a statement given by Portman’s Senate campaign manager to The Columbus Dispatch.
Reince Priebus, the chairman of the Republican National Committee, tweeted a call to the Republican Party to unite behind Trump to defeat Hillary Clinton.
Sen. Marco Rubio of Florida has said publicly that he will support the Republican nominee, especially since Clinton looks likely to clinch the Democratic nomination.
Sen. Jeff Sessions of Alabama was the first sitting member of the U.S. Senate to throw support behind Trump.
Florida Gov. Rick Scott has given his support to Trump since March.
Rep. Justin Amash of Michigan, who formerly supported Rand Paul and Ted Cruz, says he will not vote for Trump.
Massachusetts Gov. Charlie Baker said he would not vote for Trump, and probably wouldn’t vote for Hillary either.
Former Florida Gov. Jeb Bush announced he will not vote for Trump or Clinton in November.
Rep. Carlos Curbelo of Florida announced in late March that he cannot support Trump.
Rep. Robert Dold of Illinois said in a radio interview that he would not vote for Trump, and instead write in a name on the ballot come November.
Mayor Kevin Faulconer of San Diego told The San Diego Union-Tribune that he does not endorse Trump.
Sen. Jeff Flake of Arizona. A Politico reporter tweeted that Flake said he couldn’t see how he could support Trump if Trump’s policies and stances on issues continued as they had thus far.
Rep. Louie Gohmert of Texas “balked” at the idea of supporting Trump, according to Politico.
Rep. Richard Hanna of New York said in a radio interview in late March that he would not support Trump or Cruz in the election.
Sen. Dean Heller of Nevada said he “vehemently” opposed the Trump nomination, according to Bloomberg.
Former Sen. Gordon Humphrey of New Hampshire called Trump a sociopath and said he unequivocally did not support him, according to the New Hampshire Union-Leader.
State Sen. Shannon Jones of Ohio said she would “never support him,” according to The Columbus Dispatch.
Former party Chairman Sen. Mel Martinez of Florida said he would not vote for Trump, “clearly.”
Former Republican National Committee Chairman Ken Mehlman tweeted that real presidential candidates never have to research whether to deny support from the Ku Klux Klan. Part of the “Never Trump” movement.
Former Massachusetts party Chairwoman Jennifer Nassour has gone on record as saying she is an anti-Trump Republican.
Former Rep. Ron Paul of Texas told Fox News that he would not vote for Trump.
Gov. Bruce Rauner of Illinois said he wouldn’t attend the Republican convention, nor would he vote for Trump in November.
Rep. Reid Ribble of Wisconsin said in an on-camera interview that he would not vote for Trump or Clinton in November.
Rep. Scott Rigell of Virginia has urged fellow Republicans not to vote for Trump.
Rep. Ileana Ros-Lehtinen of Florida does not support Trump, and she told a Spanish news outlet that she is waiting for a contested convention.
Sen. Ben Sasse of Nebraska published an open letter to Trump supporters on his Facebook page May 4 saying he could not support Trump.
Lt. Gov. Phil Scott of Vermont said he could not vote Trump for president, according to the Seven Days newspaper.
Senate candidate Chris Vance of Washington state said he planned to vote for a third-party candidate come November.
Former Rep. J.C. Watts of Oklahoma told The Wall Street Journal he would write in a candidate before voting for Trump.
Former New Jersey Gov. Christine Todd Whitman wrote an opinion piece for northjersey.com calling Trump unfit to be president.
Kentucky Gov. Matt Bevin said he would remain silent on his preference for president, according to the Lexington Herald-Leader.
Rep. Barbara Comstock of Virginia said May 6 that Donald Trump had yet to earn her vote.
Sen. Ted Cruz of Texas has not made any official statement regarding whether he will support Trump since suspending his campaign May 3.
Former Rep. Tom DeLay of Texas said Trump was “very dangerous for the country” and “very dangerous for the party” in an interview on MSNBC.
Rep. Charlie Dent of Pennsylvania said Trump “has a great deal of work to do to convince many Americans, myself included, that he is prepared and able to lead this great nation,” according to The Morning Call.
Rep. Will Hurd of Texas told the El Paso Times that Trump would need to shape up before he gets Hurd’s vote.
Gov. John Kasich of Ohio has not made any official statement regarding whether he will support Trump since suspending his campaign May 4.
Rep. John Katko of New York said Trump had a lot of work to do to earn his vote, according to Syracuse.com.
Rep. Steve King of Iowa said he thought Trump needed to reach out and mend bridges with the Republicans he had insulted, but that he was not part of the “Never Trump” movement.
Rep. Paul Ryan of Wisconsin, the speaker of the House of Representatives, announced May 6 that he was “not ready” to support Trump yet.
Former Sen. Rick Santorum of Pennsylvania said he had not yet endorsed Trump and would sit on the sidelines until he figured it out.
Former California Gov. Arnold Schwarzenegger. Though Schwarzenegger had thrown his support behind Kasich, he has yet to reveal whether he plans to vote for Trump since Kasich suspended his campaign May 4.
Michigan Gov. Rick Snyder. Snyder spokespeople have told the Detroit Free Press that the governor is not getting involved in the election and did not release whether he intends to vote Trump.
State Rep. Joe Straus of Texas, the speaker of the Texas House of Representatives, said he thought Paul Ryan’s decision to hold off on supporting Trump “made a lot of sense,” according to The Texas Tribune.
Rep. Steve Stivers of Ohio did not mention whether he would support Trump during an interview with The Columbus Dispatch.
Former Ohio Gov. Bob Taft told The Columbus Dispatch he has “very deep concerns” about Trump.
Rep. Pat Tiberi of Ohio did not mention whether he would support Trump during an interview with The Columbus Dispatch.
Sen. Pat Toomey of Pennsylvania. Though the senator has said he will support the Republican nominee, he has since elaborated that his concerns about Trump may keep him from voting for Trump.
Rep. Ann Wagner of Missouri announced May 5 that she is withholding support for Trump until he can prove he’s leadership material for the Republican Party.
Not going to convention
Former President George H.W. Bush, according to Politico.
Former President George W. Bush, according to Politico.
CORRECTION: An earlier version of this story gave the wrong state for Rep. John Katko of New York.
Michael Doyle and Maggie Ybarra contributed to this article.