Sonck

Sonck, Sonk or Sønck is the surname of the following people:
 * Grethe Sønck (1929–2010), Danish actress and singer
 * Hannes Sonck (1919–1952), Finnish athlete
 * Lars Sonck (1870–1956), Finnish architect
 * Martinus Sonck (ca. 1590–1625), first Dutch Governor of Formosa
 * Wesley Sonck (born 1978), Belgian football player

SONK may also refer to:


 * Spontaneous osteonecrosis of the knee, a type of avascular necrosis