The Republican Governors Association (RGA) is a Washington, D.C.–based 527 organization founded in 1961, consisting of U.S. state and territorial Republican governors. Its primary objective is to help elect and support Republican governors.

The RGA's Executive Committee for 2024 includes Governors Eric Holcomb of Indiana, Greg Abbott of Texas, Greg Gianforte of Montana, Sarah Huckabee Sanders of Arkansas, Tate Reeves of Mississippi, Henry McMaster of South Carolina, Kristi Noem of South Dakota, Kim Reynolds of Iowa, and Glenn Youngkin of Virginia. In November of that year, Governor Brian Kemp of Georgia was elected Chairman, Governor Greg Gianforte of Montana was elected Vice Chairman, and Governor Henry McMaster of South Carolina was elected Policy Chairman.

Its Democratic counterpart is the Democratic Governors Association. The RGA is not directly affiliated with the non-partisan National Governors Association.

All of the following states are members of the Republican Governors Association:

In addition to governors of U.S. states, the RGA also offers membership to Republican governors of U.S. territories.

36 gubernatorial races occurred during the 2018 election cycle. The elections were held on November 6, 2018, with Republicans losing a net of 7 governorships.

In 2017, it sponsored a website The Free Telegraph to promote issues from the perspective of Republicans.

In the 2020 election cycle, 11 states and two territories held elections for governors. The elections were held on November 3, 2020, with Republicans gaining a net of one governorship, Montana, for state elections. This marked the first time Montana elected a Republican governor in 16 years. Former Governor Wanda Vázquez Garced, who was a member of the Republican Governors Association, lost reelection in Puerto Rico, meaning a net loss of one Republican governor for territorial elections.