The 15th Utah Senate District is located in Utah County and includes Utah House Districts 58, 59, 60, 61, 62 and 64.
| - ! Name | Party | Term | - | - | Republican | 1999–2006 | - | - | LeRay L. McAllister | Republican | 1983–1999 | - | - | Republican | 1973–1982 | - | - | Ernest H. Dean | Democratic | 1967–1972 | - | - | Byron R. Rampton | Republican | 1965 | - | - | Republican | 1957–1963 | - | - | Republican | 1953–1955 | - | - | James E. Burns | Democratic | 1949–1951 | - | - | Ward C. Holbrook | Democratic | 1945–1947 | - | - | Republican | 1941–1943 | - | - | Lloyd Riley | Republican | 1939 | - | - | Ward C. Holbrook | Democratic | 1933–1937 | - |
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