| Jeff Schaefer | |
| Position: | Infielder |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 31 May 1960 |
| Birth Place: | Patchogue, New York |
| Debutleague: | MLB |
| Debutdate: | April 7 |
| Debutteam: | Chicago White Sox |
| Finalleague: | MLB |
| Finaldate: | June 15 |
| Finalteam: | Oakland Athletics |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .203 |
| Stat2label: | Home runs |
| Stat2value: | 2 |
| Stat3label: | Runs batted in |
| Stat3value: | 20 |
| Teams: | |
Jeffrey Scott Schaefer (born May 31, 1960) is an American former professional baseball utility infielder. He played all or parts of five seasons in the majors between and . Of the 225 games Schaefer played in the majors, about half (110) were at shortstop, with most of the rest at third base (81) or second base (25).
Schaefer was inducted into the Suffolk Sports Hall of Fame on Long Island, New York, in the Baseball Category with the Class of 2010.