Lundmark is a Swedish surname. Notable people with the surname include:

Anne Lundmark (born 1946), Swedish orienteering competitor Charles Lundmark (1927–1999), American sprint canoeist Curt Lundmark (born 1944), Swedish ice hockey coach Jamie Lundmark (born 1981), Canadian ice hockey player Karl-Gösta Lundmark (1919–1995), Swedish Army lieutenant general Kenneth Lundmark (born 1946), Swedish high jumper Knut Lundmark (1889–1958), Swedish astronomer Pekka Lundmark (born 1963), Finnish business executive and CEO of Nokia Thomas C. Lundmark (1949–2026), American lawyer and legal scholar

See also Lundmark (crater), a lunar crater Thompson-Lundmark Mine, a gold mine near Yellowknife, Northwest Territories Wolf-Lundmark-Melotte, an irregular galaxy located on the outer edges of the local group