Casteels

Casteels is a surname. Notable people with the surname include:


 * Alexander Casteels the Elder (c. 1635-1733), Flemish painter
 * Alexander Casteels the Younger (fl 1687–1716), Flemish painter
 * Eddy Casteels (born 1960), Belgian basketball coach
 * Gonzales Franciscus Casteels (?– after 1709), Flemish painter
 * Koen Casteels (born 1992), Belgian football player
 * Peter Frans Casteels (fl. 1673–1700), Flemish painter
 * Pauwels Casteels (c. 1625– after 1677), Flemish painter
 * Pieter Casteels II (fl. 1673–1701), Flemish painter
 * Pieter Casteels III (1684–1749), Flemish painter