Laak can refer to:
People Laak Aleksander Laak (1907–1960), lieutenant and the commander of the Jägala concentration camp during the German occupation Dan Laak, American head dive coach Phil Laak (born 1972), Irish-American poker player
Ter Laak Everard Ter Laak (1868-1931), Dutch Roman Catholic missionary and bishop in China Ine ter Laak-Spijk (1931–2002), Dutch short and middle-distance runner
Van de Laak Koen van de Laak (born 1982), Dutch footballer
Van Laak Claudia van Laak (born 1963), German radio journalist
Places Laak, Davao de Oro, Philippines Laak, The Hague, Netherlands Laak River, Rotselaar, Belgium Laak (Königsberg) formerly Germany, presently part of Kaliningrad, Russia
See also LAK (disambiguation) / Lak