| Dick Lanahan | |
| Position: | Pitcher |
| Birth Date: | 27 September 1911 |
| Birth Place: | Washington, D.C. |
| Death Place: | Rochester, Minnesota |
| Bats: | Left |
| Throws: | Left |
| Debutleague: | MLB |
| Debutdate: | September 15 |
| Debutyear: | 1935 |
| Debutteam: | Washington Senators |
| Finalleague: | MLB |
| Finaldate: | May 12 |
| Finalyear: | 1941 |
| Finalteam: | Pittsburgh Pirates |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 6–13 |
| Stat2label: | Earned run average |
| Stat2value: | 5.15 |
| Stat3label: | Strikeouts |
| Stat3value: | 62 |
| Teams: | |
Richard Anthony Lanahan (September 27, 1911 – March 12, 1975) was an American professional baseball pitcher. He played in Major League Baseball (MLB) for the Pittsburgh Pirates and Washington Senators in a four-year career varying from 1935 to 1941.
Lanahan's best season was the 1940 season in which he had six wins in 40 games, and a 4.25 earned run average.[1] His forty games played was ninth in the National League.