No, the state republican party platform for Utah does not mention same-sex marriage.
Republican
Libertarian Party of Utah was created in 1971.
Independent Party of Utah was created in 1988.
Liberal Party - Utah - was created in 1870.
American Party - Utah - was created in 1905.
The Republican Party Platform was formed in 1956, 100 years after the Republican Party was formed. They are the Conservative political party in America.
Republican Reliance Party was created in 1967.
Republican Party of Albania was created in 1991.
Republican Christian Party was created in 1997.
Negro Republican Party was created in 1867.
Republican-Socialist Party was created in 1911.