| Fritz Achterberg | |
| Birth Date: | 2 November 1880 |
| Birth Place: | Berlin, Germany |
| Birthname: | Fritz Karl Walther Achterberg |
| Resting Place: | Parkfriedhof Lichterfelde, Berlin, Germany |
| Occupation: | Actor |
| Yearsactive: | 1910–1945 |
Fritz Achterberg (2 November 1880 – 12 October 1971) was a German stage and film actor.