| Number: | 50, 59 |
| Height Ft: | 6 |
| Height In: | 1 |
| Weight Lbs: | 225 |
| Birth Date: | 29 December 1945 |
| Birth Place: | Bridgewater, Massachusetts, U.S. |
| Position: | Linebacker |
| College: | Syracuse |
| Afldraftyear: | 1968 |
| Afldraftround: | 12 |
| Afldraftpick: | 305 |
| Teams: | |
| Statleague: | AFL + NFL |
| Statlabel1: | Games played |
| Statvalue1: | 127 |
| Statlabel2: | Starts |
| Statvalue2: | 104 |
| Statlabel3: | Fumble recoveries |
| Statvalue3: | 9 |
| Statlabel4: | Interceptions |
| Statvalue4: | 9 |
James M. Cheyunski (born December 29, 1945) is a former American football linebacker in the National Football League (NFL) for the Boston/New England Patriots, Buffalo Bills, and the Baltimore Colts. He played college football at Syracuse University. He is of Lithuanian descent.[1]