Kooistra is a Dutch-language surname. Notable people with the surname include:
Clarence L. Kooistra (born 1941), American politician Joost Kooistra (born 1976), Dutch volleyball player Lorraine Janzen Kooistra, Canadian academic Paul Kooistra (born 1942), American minister and college president (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 (1926–1995), American water polo player, brother of Sam Wytze Kooistra (born 1982), Dutch volleyball player