| Dennis Littlejohn | |
| Position: | Catcher |
| Width: | 150 |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | October 4, 1954 |
| Birth Place: | Santa Monica, California, U.S. |
| Debutleague: | MLB |
| Debutdate: | July 9 |
| Debutyear: | 1978 |
| Debutteam: | San Francisco Giants |
| Finalleague: | MLB |
| Finaldate: | October 5 |
| Finalyear: | 1980 |
| Finalteam: | San Francisco Giants |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .203 |
| Stat2label: | Home runs |
| Stat2value: | 1 |
| Stat3label: | Runs batted in |
| Stat3value: | 15 |
| Teams: | |
Dennis Gerald Littlejohn (October 4, 1954) is a former Major League Baseball player who played catcher from to . He would play for the San Francisco Giants. Littlejohn attended the University of Southern California.