Bruinsma is a surname of West Frisian origin. It originated as a patronymic surname, "son of Bruin" (Bruno).Bruinsma at the Database of Surnames in The Netherlands. Notable people with this surname include:
Evan Bruinsma (born 1992), American basketball player Klaas Bruinsma (drug lord) (1953–1991), Dutch drug dealer Klaas Bruinsma (translator) (born 1931), West Frisian translator Liesette Bruinsma (born 2000), Dutch Paralympic swimmer Robijn Bruinsma (born 1953), Dutch theoretical physicist Sikke Bruinsma (1889–1963), Dutch sports shooter
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