Dreyer is also the name of:
- Benedikt Dreyer (1495–1555), German sculptor, carver and painter
- Carl Theodor Dreyer (1889–1968), Danish director
- Dekker Dreyer (1980– ), American director and producer
- Edward L. Dreyer (1940–2007), American historian of Ming China
- Frederic Charles Dreyer (1878–1956), officer of the Royal Navy
- Jim Dreyer (1963— ), marathon swimmer
- John Dreyer (1852–1926), Danish-Irish astronomer
- Olaf Dreyer, German theoretical physicist
- Pam Dreyer (1981— ), American ice hockey player
- Peter Dreyer (1939— ), South African writer and politician