The following is a list of all announced Republican candidates for office in Colorado and links to their campaign committee websites.
They are ordered alphabetically by last name.

Governor

Dan Maes (Dan Maes for Colorado Governor in 2010)

Scott McInnis (Scott McInnis for Governor)

Josh Penry (Penry for Governor)

United States Senate

Steve Barton (Steve Barton for U.S. Senate)

Ken Buck (Buck for Colorado)

Ryan Frazier** (Ryan Frazier for Colorado)

Dr. Robert Greenheck (Greenheck for Senator)

Vincent Martinez (Vincent E. Martinez Senate Committee)

Jane Norton (Jane Norton for Colorado)

Cleve Tidwell (Tidwell for U.S. Senate)

Tom Wiens (Tom Wiens for U.S. Senate)

United States Congress (CD-2)

Stephen Bailey (Stephen Bailey for Congress)

Bob Brancato (Brancato for Congress)

United States Congress (CD-3)

Bob McConnell (The Committee to Elect Bob McConnell for Congress)

Scott Tipton (VoteTipton.com)

United States Congress (CD-4)

Diggs Brown (Diggs Brown for Congress)

Cory Gardner (Gardner for Congress)

Tom Lucero (Lucero for Congress)

Dean Madere (Dean Madere for Congress 2010)

United States Congress (CD-5)

Hon. Doug Lamborn* (Lamborn for Congress)

United States Congress (CD-6)

Hon. Mike Coffman* (Coffman for Congress)

United States Congress (CD-7)

Michael Deming (Deming for Congress)

Ryan Frazier (Ryan Frazier for Colorado)

Jimmy Lakey (Jimmy Lakey for Congress)

Mike Sheely (Mike Sheely for Congress)

Lang Sias (Sias for Congress)

Attorney General

Hon. John Suthers* (n/a)

Secretary of State

Scott Gessler (Scott Gessler for Colorado Secretary of State)

Treasurer

J.J. Ament (Ament for Treasurer)

Ali Hasan (Hasan for State Treasurer)

Walker Stapleton (Stapleton for Colorado)

University of Colorado Board of Regents (At-Large)

Steve Bosley* (n/a)

University of Colorado Board of Regents (CD-4)

Kelly Barlean (Friends of Kelly Barlean)

Sue Sharkey (Sue Sharkey for CU Regent)

* = Incumbent        ** = Switched Races Strikethrough = Dropped Out