| L. T. Harr | |
| Birth Date: | 14 April 1896 |
| Death Place: | Fort Collins, Colorado, U.S. |
| Player Years1: | 1916 |
| Player Team1: | College of Emporia |
| Player Years2: | 1919–1921 |
| Player Team2: | College of Emporia |
| Player Positions: | Halfback |
| Coach Years1: | 1924–1927 |
| Coach Team1: | College of Emporia (assistant) |
| Coach Years2: | 1928–1930 |
| Coach Team2: | College of Emporia |
| Admin Years1: | 1928–1931 |
| Admin Team1: | College of Emporia |
| Overall Record: | 11–10–4 |
| Championships: | 1 CIC (1928) |
Lloyd T. "Rosy" Harr (April 14, 1896 – December 23, 1982) was an American football coach and college athletics administrator. He served as the head football coach at the College of Emporia in Emporia, Kansas from 1928 to 1930, compiling a record of 11–10–4. His 1928 team produced an undefeated record of 8–0 and was declared the champions of the newly-formed Central Intercollegiate Conference (CIC).[1] Harr was also the athletic director at the College of Emporia until his resignation in 1931.[2]
Harr died on December 23, 1982, in Fort Collins, Colorado.[3]