Kooistra is a Dutch-language surname. Notable people with the surname include:
Clarence L. Kooistra (born 1941), American politician in South Dakota
Joost Kooistra (born 1976), Dutch volleyball player
Paul Kooistra (born 1942), American minister and college president
Pieter Kooistra (1922–1988), Dutch artist and advocate for a global basic income
Sam Kooistra (1935–2010), American water polo player, brother of William
Scott Kooistra (born 1980), American football player
William Kooistra (born 1926), American water polo player, brother of Sam
Wytze Kooistra (born 1982), Dutch volleyball player
