| Bob Otto | |
| Birth Date: | 23 August 1919 |
| Birth Place: | Wesley, Iowa, U.S. |
| Death Place: | Mankato, Minnesota, U.S. |
| Player Sport1: | Football |
| Player Years2: | 1939–1941 |
| Player Team2: | Iowa |
| Player Positions: | Tackle |
| Coach Sport1: | Football |
| Coach Years2: | 1947 |
| Coach Team2: | Iowa (assistant freshmen) |
| Coach Years3: | 1948–1952 |
| Coach Team3: | Buena Vista |
| Coach Years4: | 1953–1969 |
| Coach Team4: | Mankato State |
| Coach Sport5: | Basketball |
| Coach Years6: | 1954–1955 |
| Coach Team6: | Mankato State |
| Admin Years1: | 1948–1953 |
| Admin Team1: | Buena Vista |
| Admin Years2: | 1953–1983 |
| Admin Team2: | Mankato State |
| Overall Record: | 97–90–9 (football) 18–4 (basketball) |
| Championships: | Football 1 Iowa Conference (1952) 1 Iowa Conference North Division (1952) 5 MSCC/NIC (1958–1961, 1968) Basketball 1 MSCC regular season (1955) |
| Awards: | MSU Hall of Fame (1981) |
James Robert Otto (August 23, 1919 – November 7, 1993) was an American college football and college basketball coach and athletics administrator. He served as the head football coach at Buena Vista College—now known as Buena Vista University—in Storm Lake, Iowa from 1948 to 1952 and Mankato State College—now known as the Minnesota State University, Mankato—from 1953 to 1969.[1]
A native of Fort Dodge, Iowa, Otto played football at the University of Iowa as a tackle from 1939 to 1941. Otto died from lung cancer, on November 7, 1993, at his home in Mankato, Minnesota.[2]