Keijzer

Keijzer is a Dutch surname meaning "emperor" (modern Dutch keizer). The name contains a ij digraph that is often replaced with a "y", especially outside the Netherlands. Among variant forms of the surname are Keijser, Keijsers, Keijzers, Keizer, Keyser, De Keijzer, De Keyser, and De Keyzer. People with this name include:

Keijzer

 * Annemarie Keijzer (born 1958), Dutch equestrian
 * Gerd de Keijzer (born 1992), Dutch racing cyclist
 * Ingrid Keijzer (born 1964), Dutch cricketer
 * Mona Keijzer (born 1968), Dutch CDA politician
 * Pieter Keijzer (born 1949), Dutch competitive sailor

Keijser

 * Harry de Keijser (1900–1995), Dutch pole vaulter and decathlete
 * Marieke Keijser (born 1997), Dutch rower
 * Mischa Keijser (born 1974), Dutch photographer, photojournalist and fine-art book-maker
 * (1944–2019), Swedish jazz musician

Keyzer

 * Mike Keyzer (1911–1983), Dutch VVD politician and diplomat

De Keyzer

 * Bruno de Keyzer (1949–2019), French cinematographer
 * Carl De Keyzer (born 1958), Belgian photographer
 * Jack de Keyzer (born 1955), British-born Canadian blues musician
 * Peter De Keyzer (born 1975), Belgian economist