Guadagnino is a surname. Notable people with the surname include:

• Kathy Guadagnino (born 1961), American professional golfer
• Luca Guadagnino (born 1971), Italian director and screenwriter
• Vinny Guadagnino (born 1987), American Jersey Shore star and actor

• Gerald Grandey
• Gerald Grattan McGeer
• Gerald Graze
• Gerald Green (author)
• Gerald Green (writer)
• Gerald Grosvenor
• Gerald Grosvenor (disambiguation)
• Gerald Guralnik
• Gerald Guterman
• Gerald Hamilton
• Gerald Harbach Round Barn
• Gerald Harper
• Gerald Harris (fighter)
• Gerald Harriss
• Gerald Hartigan
• Gerald Hassell
• Gerald Hawting
• Gerald Haxton
• Gerald Heffernan
• Gerald Henderson
• Gerald Henderson Jr.
• Gerald Henry Rendall
• Gerald Hills
• Gerald Home
• Gerald home