| John Mazmanian | |
| Nationality: | American |
| Birth Date: | 18 May 1926 |
| Birth Place: | East Los Angeles, California |
| Death Place: | California |
| Retired: | 1972 |
| Last Series: | Funny Car |
| Years Active: | late 1950s? - 1972 |
| Awards: | NHRA Hall of Fame |
| Award Years: | 1998 |
John Mazmanian (May 18, 1926 – July 21, 2006), also known as Big John Mazmanian, was an American NHRA drag racer.