Mary Page Keller (born March 3, 1961, in Monterey Park, California) is an American actress known for roles on television. Keller began her career on the daytime soap operas Ryan's Hope (1982–1983) and Another World (1983–1985) and later starred in a number of television sitcoms. She starred as Laura Kelly in the Fox comedy series Duet (1987-1989) and in the show's spin-off, Open House (1989–1990). Keller later had lead roles in the short-lived sitcoms Baby Talk (1991–1992), Camp Wilder (1992–1993), and Joe's Life (1993).
In film, Keller is known for her performance in the comedy-drama Beginners (2010). In 2000s, she had recurring and guest-starring roles in a number of television dramas. From 2014 to 2015, Keller starred as the mother of the lead character in the ABC Family drama series Chasing Life.