Wijk is a Swedish surname. Notable people with the surname include:
Andreas Wijk (born 1993), Swedish singer and model Anna Wijk (born 1991), Swedish former floorball player Carl Wijk (1906–1972), Swedish football player and coach Erik Wijk (born 1963), Swedish journalist and writer
See also Van Wijk (and variants), a Dutch toponymic surname with a list of people bearing that name