| Carl T. Nelson | |
| Birth Date: | 23 December 1900 |
| Birth Place: | Butte, Montana, U.S. |
| Death Place: | Beloit, Wisconsin, U.S. |
| Player Sport1: | Football |
| Player Years2: | 1919–1923 |
| Player Team2: | Beloit |
| Coach Sport1: | Football |
| Coach Years2: | 1925–1944 |
| Coach Team2: | Geneva HS (IL) |
| Coach Years3: | 1945–1949 |
| Coach Team3: | Beloit Memorial HS (WI) |
| Coach Years4: | 1950–1961 |
| Coach Team4: | Beloit |
| Coach Years5: | 1962–1964 |
| Coach Team5: | Milton |
| Coach Sport6: | Track |
| Coach Years7: | 1950–1962 |
| Coach Team7: | Beloit |
| Coach Years8: | 1962–? |
| Coach Team8: | Milton |
| Admin Years1: | 1965–1967 |
| Admin Team1: | Milton |
| Overall Record: | 70–46–1 (college football) 125–56–20 (high school football) |
| Championships: | Football 2 Gateway (1962, 1964) |
Carl T. "Pill" Nelson (December 23, 1900 – January 21, 1978) was an American football player and coach. He served as the head football coach at Beloit College in Beloit, Wisconsin from 1950 to 1961 and Milton College in Milton, Wisconsin from 1962 to 1964, compiling a career college football coaching record of 70–46–1.[1] Nelson also the athletic director at Milton from 1965 until his retirement in 1967. He also coached track and golf at the school.[2]
Nelson was born on December 23, 1900, in Butte, Montana, to Charles and Sophia Abrahamson Nelson. He attended Butte High School before going to Beloit College, where he played football.[3]
Nelson on January 21, 1978, at Beloit Memorial Hospital in Beloit.[4]