Hyachinthe-Marie de Brouchoven (1650–1707), Lord of Steen and Spy, was a nobleman from the Spanish Netherlands who became president of the Great Council of Mechelen, the highest law court in the Spanish Netherlands..
- Occupation
- diplomat, magistrate, jurist
- Position held
- president, canon
- Born
- April 16, 1650, 1650
- Died
- September 28, 1707, 1707, September 23, 1707