Izzy is a common nickname for the given names Israel, Isabel, Elizabeth, or Isaac.It may also refer to:

• Izzy , an Olympic mascot
• Izzy Alcántara, a Baseball player
• Izzy Gomez , in the series TUGS
• Izzy Izumi, in the Digimon series
• Izzy Sinclair, in the Doctor Who comic book
• Izzy Sparks, a video game character
• Izzy Stradlin, former Guns N' Roses guitarist

• Isabelle Hoyland, a character in the Australian soap opera Neighbours
• Isobel Cooper, a soprano known professionally as Izzy
• Izzie Stevens, in the series Grey's Anatomy

• Jason Isringhausen, a baseball player
• Isabel "Izzy" Reubens, a character in Love and Rockets
• Isadora Duncan Dance Awards