FNS may refer to:

Television Food Network Star, an American reality television series Fox News Sunday, an American television news show Fuji Network System, a Japanese television network WWE Friday Night SmackDown, an American sports television show

Other uses Factorial number system Federal News Service, an American transcription service Federal Taxation Service, a body of the Russian Federal government Federated Naming Service Finnish Navy Ship, a ship prefix Fire and Skoal, a student society at Dartmouth College Food and Nutrition Service, an agency of the United States Department of Agriculture Frontier Nursing Service, an American nursing organization FN FNS, a semi-automatic pistol National Salvation Front (Russia), a defunct political coalition Swiss National Science Foundation (French: )

See also FN (disambiguation)