Geysen

Geysen or Geijsen is a Dutch patronymic surname meaning "Gijs' son". Notable people with the surname include:

Variants:
 * Bettina Geysen (born 1969), Belgian politician
 * Frans Geysen (born 1936), Belgian composer and writer on music
 * Willy Geysen (born 1940s), Belgian engineer
 * Carry Geijssen (born 1947), Dutch speed skater
 * Chris Gheysens (born 1971), American business executive