Íþróttalög setja reglur um íþróttastarfsemi á Íslandi og gilda um íþróttafélög, íþróttasambönd og alla sem stunda skipulagða íþróttastarfsemi. Lögin fjalla um skipulag íþróttahreyfingar, styrki til íþrótta og öryggisreglur við íþróttaiðkun.
The Sports Act establishes regulations for sports activities in Iceland and applies to sports clubs, sports associations, and all those engaged in organized sports activities. The law covers the organization of the sports movement, funding for sports, and safety regulations for sports practice.