Rick Perry, Governor of Texas 2000–2015;Lieutenant Governor of Texas 1999–2000; presidential candidate in 2012; announcement expected June 4
Donald Trump, business magnate and television personality from New York; announcement expected on June 16
This article contains announced and maybe candidates associated for the 2016 Republican Party presidential primaries for the 2016 United States presidential election.
U.S. Senator from Kentucky since 2011
U.S. Senator from Florida since 2011;Speaker of the Florida House of Representatives
Author and former Director of Pediatric
U.S. Senator from Pennsylvania 1995-2007; U.S. Representative from Pennsylvania 1991-1995; presidential candidate in 2012
U.S. Senator from South Carolina since 2003; U.S. Representative from South Carolina 1995–2003
Formally exploring a candidacy
Those following potential candidates have taken formal action(s) - such as the formation of an exploratory committee, political action committee (PAC), or a 527 organization - to build the groundwork for a possible presidential campaign. Each has been listed in five or more major independent nationwide polls.
John Kasich, Governor of Ohio since 2011; U.S. Representative from Ohio 1983–2001; formed a 527 organization
Jeb Bush, Former Governor of Florida 1999–2007; formed a PACHe will make his formal decision in June 2015 after finalizing his campaign budget 
Chris Christie, Governor of New Jersey since 2010; formed a PAC
Bobby Jindal, Governor of Louisiana since 2008; U.S. Representative from Louisiana 2005–2008; formed an exploratory committee. He will make his formal decision after June 11, 2015 when his state's legislative session ends.
Scott Walker, Governor of Wisconsin since 2011; formed a 527 organization He will make his formal decision at the end of June 2015 after signing the Wisconsin state budget.