Casteels
Casteels is a surname. Notable people with the surname include:
- Alexander Casteels the Elder, Flemish painter
- Alexander Casteels the Younger, Flemish painter
- Eddy Casteels, Belgian basketball coach
- Gonzales Franciscus Casteels, Flemish painter
- Koen Casteels, Belgian football player
- Peter Frans Casteels, Flemish painter
- Pauwels Casteels, Flemish painter
- Pieter Casteels II, Flemish painter
- Pieter Casteels III, Flemish painter