Dirk Bram Tuinzing (2 August 1948 â 11 January 2024) was a Dutch rower. He competed at the 1972 Summer Olympics in the eight event and finished in ninth place.
Later he became a professor at the Vrije Universiteit Amsterdam and oral and maxillofacial surgeon. Tuinzing died in Amsterdam on 11 January 2024, at the age of 75.