| Fred Lowenthal | |
| Birth Date: | 22 November 1878 |
| Birth Place: | Chicago, Illinois, U.S. |
| Death Place: | Chicago, Illinois, U.S. |
| Player Years1: | 1898–1901 |
| Player Team1: | Illinois |
| Player Positions: | Center |
| Coach Years1: | 1904–1905 |
| Coach Team1: | Illinois |
| Overall Record: | 14–6–1 |
Fred Lowenthal (November 22, 1878 – October 4, 1931) was an American college football player, coach, sportswriter, and attorney. He served as head football coach at the University of Illinois at Urbana–Champaign in 1904, along with Arthur R. Hall, Justa Lindgren, and Clyde Matthews, and alone in 1905, compiling a record of 14–6–1. Lowenthal played football at Illinois as a center from 1898 to 1901.[1]