The Wyoming Republican Party is the affiliate of the Republican Party in Wyoming. It is currently the dominant party in the state, and is one of the strongest affiliates of the national Republican Party. The party currently controls Wyoming's at-large U.S. House seat, both U.S. Senate seats, the governorship, and has nearly unanimous positions in both houses of the state legislature.

The Wyoming State Legislature is the legislative branch of the U.S. State of Wyoming. It is a bicameral state legislature, consisting of a 62-member Wyoming House of Representatives, and a 31-member Wyoming Senate. The legislature meets at the Wyoming State Capitol in Cheyenne. There are no term limits for either chamber.