Amanda Peterson (born Phyllis Amanda Peterson, July 8, 1971 – July 3, 2015) was an American actress known for her role as Cindy Mancini in the 1987 comedy film Can't Buy Me Love.
Peterson was born in Greeley, Colorado, the youngest of three children born to James Peterson, an ear, nose, and throat specialist, and his wife Sylvia. She had two older siblings: a sister, Anne Marie and a brother, James, Jr. Peterson began acting as a child and used the name "Amanda Peterson" in a professional capacity. In the beginning of her career, she used the name "Mandy Peterson", which was also the name friends and family used.
Peterson made her stage debut at age seven as Gretl in the University of Northern Colorado's stage production of The Sound of Music. At the age of eight, she won a role in the musical film Annie, where she appeared as a dancing extra. Peterson went on to land guest spots on Father Murphy and Silver Spoons. She also appeared in more than 50 television commercials. During the 1983–84 television season, she co-starred as Squirt Sawyer on the NBC drama series Boone. Boone was canceled after one season.