De Koninck
De Koninck (The King in old Dutch spelling) is a surname. Notable people with the surname include:
- Charles De Koninck (1906–1965), Belgian-Canadian Thomist philosopher and theologian
 - David de Koninck alternative spelling of David de Coninck (c.1644 – 1701), Flemish painter
 - Jean-Marie De Koninck (b. 1948), Quebec mathematician
 - Laurent-Guillaume de Koninck (1809–1887), Belgian palaeontologist and chemist
 - Lodewijk de Koninck (1838–1924), Flemish writer
 - Louis Herman De Koninck (1896–1984), Belgian architect and designer
 - Luk De Koninck (born 1952), Belgian television actor
 - Servaes de Koninck (c.1654 – c.1701), Flemish composer active in Amsterdam
 
Koninck:
- Jacob Koninck (I) (c.1615 – c.1695), Dutch landscape painter (brother of Philips)
 - Jacob Koninck (II) (c.1647 – c.1724), Dutch painter for the Danish court (son of Jacob I)
 - Philips Koninck (1619–1688), Dutch landscape painter (brother of Jacob I)
 - Salomon Koninck, Dutch painter of genre scenes and portraits and engraver