De Meyer, DeMeyer, Demeyer, De Meijer or De Meijere is a Dutch occupational surname related to English Mayor. It is particularly common in Flanders. People with this surname include:
- De Meijer
- De Meijere
- De Meyer
- Adolph de Meyer (1868–1946), portrait and fashion photographer and art collector
- Arnoud De Meyer, Belgian management scholar
- Ingrid De Meyer, New Zealand footballer
- Jan de Meyer (1921–2014), Belgian jurist
- Jean-Luc De Meyer (born 1957), Belgian vocalist and lyricist
- Leon De Meyer [fr; nl] (1928–2006), Belgian archeologist and Assyriologist
- Luis de Meyer (1903–?), Argentine cyclist
- Olga de Meyer (1871–1930), British-born artists' model, socialite, arts patron and writer
- Patrick De Meyer, Belgian songwriter, composer and producer
- De Meyere
- DeMeyer
- Demeyer