Fölster is a surname. Notable people with the surname include:
Sofia Fölster (born 1991), Swedish politician Stefan Fölster (born 1959), Swedish economist and author Tobias Fölster (born 1994), German footballer
See also Jean Folster (1922 – 26 December 1994), Canadian community worker and the first woman to become the chief of the Norway House Cree Nation William Folster (1894–1954), Australian politician