From Wikipedia: List of Latter Day Saints: US Politicians
Currently in office
U.S. Senate
Mike Crapo, (R-Idaho)
Orrin Hatch, (R-Utah)
Dean Heller, (R-Nevada)
Mike Lee, (R-Utah)
Harry Reid, senate majority leader, (D-Nevada)
Tom Udall, (D-New Mexico)
U.S. House of Representatives
Rob Bishop, (R-Utah)
Leonard Boswell, (D-Iowa), Community of Christ[199]
Jason Chaffetz, (R-Utah)
Eni Faleomavaega, nonvoting delegate (D-American Samoa)
Jeff Flake, (R-Arizona)
Wally Herger, (R-California)
Raúl Labrador, (R-Idaho)
Jim Matheson, (D-Utah)
Buck McKeon, (R-California)
Mike Simpson, (R-Idaho)
Governors
Gary Herbert, (R-Utah)
Past office holders
U.S. Senate
Bob Bennett, (R-Utah, 1993–2010)
Berkeley Bunker, (D-Nevada, 1940–42)
Howard Cannon, (D-Nevada, 1959–83)
Jake Garn, (R-Utah, 1974–93)
Paula Hawkins, (R-Florida, 1981–87)
William H. King, (D-Utah, 1917–1941)
Frank E. Moss, (D-Utah, 1959–77)
Gordon Smith, (R-Oregon, 1997–2009)
Reed Smoot, (R-Utah, 1903–33)
Elbert Duncan Thomas, (D-Utah, 1933–51)
U.S. House of Representatives
Hamer Budge, (R-Idaho, 1951–1961)
John Milton Bernhisel, (Utah Territory)
John Doolittle, (R-California, 1991–2009)
Jim Gibbons, (R-Nevada, 1997–2006)
George Hansen, (R-Idaho, 1965–69, 1975–85)
Ralph Harding, (D, Idaho, 1961–65)
Ernest Istook, (R-Oklahoma, 1993–2007)
David S. King, (D-Utah, 1959–63, 1965–67)
Howard Nielson, (R-Utah, 1983–91)
Wayne Owens, (D-Utah, 1973–75, 1987–93)
Norman D. Shumway, (R-California, 1979–1991)
Richard Stallings, (R-Idaho, 1985–93)
Richard Swett, (D-New Hampshire, 1991–95)
Morris King Udall, (D-Arizona, 1961–91)
Stewart Udall, (D-Arizona, 1955–61)
U.S. Governors
John Evans, (D-Idaho, 1977–1987)
Jim Gibbons, (R-Nevada, 2007–11)
Jon Huntsman, Jr., former governor of Utah and 2012 GOP Presidential candidate.
Mike Leavitt, (R-Utah, 1993–2003)
George Romney, (R-Michigan, 1963–69)
Mitt Romney, (R-Massachusetts, 2003–2007), 2008 and 2012 GOP Presidential candidate.
Cabinet officers, ambassadors and senior administration officials
Terrel Bell, Secretary of Education (1981–85)
Ezra Taft Benson, Secretary of Agriculture (1953–61)
Angela Buchanan, Treasurer of the United States (1981–83)
J. Reuben Clark, undersecretary of state, U.S. ambassador to Mexico
David M. Kennedy, secretary of treasury (1969–71); ambassador to NATO (1972–73)
Mike Leavitt, Secretary of Health and Human Services (2005–2009); Administrator of the Environmental Protection Agency
Rex Lee, United States Solicitor General (1981–85)
Ivy Baker Priest, Treasurer of the United States (1953–61)
George Romney, Secretary of Housing and Urban Development (1969–73)
Richard Swett, U.S. Ambassador to Denmark (1998–99)
Stewart Udall, Secretary of Interior (1961–69)
Other American politicians
Eldridge Cleaver, Black Panther leader, author of "Soul on Ice", candidate for President (1968) for Peace and Freedom Party
Brent Coles, mayor of Boise, Idaho
Marriner Stoddard Eccles, chairman of Federal Reserve Board (1934–48)