P!nk says she's proud of the Norwegian women's beach handball team for standing up against the "very sexist rules" about their uniforms ... and she's offering to pay their fines for the protest.
The singer-songwriter went even further with her support too ... by calling on the European Handball Federation to instead be "fined for sexism" for levying financial penalties last week against the women.
ICYMI ... the ladies from Norway made a statement on their sport's uniform double standards last week by wearing shorts during a game instead of the required bikini bottoms.