• Age: 39 years young
• Born: Monday 26th of March 1984
• Birthplace: Portland, Oregon, United States
• Nationality: American
• Ethnicity: Caucasian
• Profession: Actress, Centerfold, Escort (former), Playboy Model, TV Host
• Hair color: Blonde
• Eye color: Green
• Height: 5'3" (or 160 cm)
• Weight: 104 lbs (or 47 kg)
• Body type: Slim

Sara Jean Underwood (born March 26, 1984) is an American model, television host and actress who was chosen as the Playmate of the Month for the July 2006 issue of Playboy magazine and later became Playmate of the Year in 2007. She is a former host of Attack of the Show! on G4.