"Polly" is a song by the American rock band Nirvana, written by vocalist and guitarist Kurt Cobain. It is the sixth song on their second album Nevermind, released by DGC Records in September 1991.

Kurt Donald Cobain was an American musician who was the lead vocalist, guitarist, primary songwriter, and a founding member of the grunge band Nirvana. Through his angsty songwriting and anti-establishment persona, his compositions widened the thematic conventions of mainstream rock music. He was heralded as a spokesman of Generation X and is widely recognized as one of the most influential alternative rock musicians.