| R. E. Edlefsen | |
| Office: | Mayor of Boise, Idaho |
| Term Start: | May 1951 |
| Term End: | May 1959 |
| Predecessor: | Potter P. Howard |
| Successor: | Robert L. Day |
| Birth Date: | September 30, 1906[1] |
| Birth Place: | Preston, Idaho, United States |
| Death Date: | December 1986 (aged 80) |
| Death Place: | Boise, Idaho, United States |
Russell Elmer Edlefsen (September 30, 1906 – December 1986) served four terms as mayor of Boise, Idaho, from 1951 to 1959. Elected to two-year terms, Edlefsen was the only person in to win four consecutive terms as Boise mayor until David H. Bieter accomplished the feat in 2015.