Iggy may refer to:
People:
- Iggy Azalea, Australian-born hip hop recording artist
- Iggy Pop, American punk rock singer and occasional actor
- Jarome Iginla, ice hockey player with the Calgary Flames
- Ralph Ignatowski, U.S. Marine tortured and killed at the Battle of Iwo Jima
- Michael J. Igyarto, Sports journalist and fantasy sports expert. Also known as Windy City iggy
- Andre Iguodala, American basketball player
- Michael Ignatieff, historian and Canadian politician
In fiction:
- Iggy, one of the main characters from James Patterson's Maximum Ride book series
- Iggy (JoJo's Bizarre Adventure), a fictional character from the Japanese manga JoJo's Bizarre Adventure
- Jim Ignatowski, a fictional character from the TV series Taxi
- Iggy Koopa, a video game character in Super Mario Bros. series
- Iggy, a friend of Little Lulu comics character.
Other:
- St. Ignatius College Prep, a Chicago, Illinois, secondary school occasionally referred to as "Iggy"
- Iggy the Lion, the mascot for the Loyola Marymount Lions collegiate athletics teams
- Iggy (Beanie Baby), a Beanie Baby iguana produced by Ty, Inc.
- Iggy's, a fine dining restaurant in Singapore
- Italian Greyhound, a breed of dog, often abbreviated as "I.G." or "Iggy"