| Johnny Merriman | |
| Birth Date: | 22 April 1899 |
| Birth Place: | New York, U.S. |
| Death Date: | June 1986 (aged 87) |
| Death Place: | Sun City, Arizona, U.S. |
| Coach Sport1: | Football |
| Coach Years2: | 1926–1928 |
| Coach Team2: | Trinity (CT) |
| Coach Years3: | 1930–1945 |
| Coach Team3: | Coast Guard |
| Coach Sport4: | Basketball |
| Coach Years5: | 1929–1939 |
| Coach Team5: | Coast Guard |
| Coach Sport6: | Baseball |
| Coach Years7: | 1926–1929 |
| Coach Team7: | Trinity (CT) |
| Overall Record: | 48–79–10 (football) 11–33–3 (baseball) |
John Spencer Merriman Jr. (April 22, 1899 – June 1986) was an American football, basketball, and baseball coach. He served as the head football at Trinity College in Hartford, Connecticut from 1926 to 1928 and the United States Coast Guard Academy in New London, Connecticut from 1930 to 1945, compiling a career college football coaching record of 48–79–10.[1]