De Decker
De Decker is the family name of the following people:
- Armand De Decker (1948–2019), Belgian Senator and Mayor
- Ezekiel de Decker (≈1603 – ≈1643), Dutch master mathematician, surveyor and editor of log tables
- Jeremias de Decker (1609 / 10–1666), Dutch poet
- Pieter de Decker (1812-1891), Belgian statesman