| Dix H. McMullin | |
| State: | Utah |
| State Senate: | Utah |
| District: | 5th |
| Term Start: | 1983 |
| Term End: | 1992 |
| Office2: | Member of the Utah House of Representatives |
| Term Start2: | 1976 |
| Term End2: | 1982 |
| Party: | Republican |
| Birth Date: | 30 November 1933 |
| Birth Place: | South Jordan, Utah, United States |
| Death Place: | South Jordan, Utah, United States |
| Profession: | Educator |
| Residence: | South Jordan, Utah |
Dix Holt McMullin (November 30, 1933 – November 8, 2008), was an American politician who was a Republican member of the Utah House of Representatives and Utah State Senate.[1] McMullin was an alumnus of the University of Utah, holding a Bachelor of Science, Master of Science and doctor of philosophy (Ph.D.) degrees. He was an educator.[2] [3] He died of cancer in 2008.[4] McMullin was those involved in the early consultations that lead to the formation of the Utah Boys Ranch.[5]