Blomdahl is a surname. Notable people with this surname include:

Ben Blomdahl (born 1970), American former baseball pitcher Karl-Birger Blomdahl (1916–1968), Swedish composer Patric Blomdahl (born 1984), Swedish former professional ice hockey winger Sonja Blomdahl (born 1952), American artist Torbjörn Blomdahl (born 1962), Swedish billiards player

See also