Keizer (surname)
Keizer is a Dutch surname, meaning "emperor". It is cognate to German Kaiser. Notable people with the surname include:
- Bert Keizer, Dutch writer and physician
- Chelsea Keizer, relative of the Dutch royal family
- Cees Keizer, Dutch football midfielder
- Garret Keizer, American author
- Gerrit Keizer, Dutch sportsman
- Henry Keizer, Dutch businessman and corporate director
- Ilja Keizer, Dutch middle-distance runner
- Jan Keizer , Dutch sports referee
- Jan Keizer , Dutch singer
- Jolanda Keizer, Dutch heptathlete
- Joris Keizer, Dutch swimmer
- Marcel Keizer, Dutch football manager
- Martijn Keizer, Dutch racing cyclist
- Piet Keizer, Dutch football left winger
- Sanne Keizer, Dutch volleyball player
- Simon Keizer, Dutch singer
- Teddy Keizer, American speed hiker
