Katherine Squire (9 Maart 1903 – 29 Maart 1995) was 'n Amerikaanse aktrise. Sy was bekend vir haar rolle in die rolprente The Story on Page One (1959), Studs Lonigan (1960), en When Harry Met Sally... (1989), en in die televisiereeks The Doctors (1963). 1959: The Story on Page One 1960: Studs Lonigan 1966: Ride in the Whirlwind 1989: When Harry Met Sally... 1952: The Gulf Playhouse 1959: Markham 1963: The Doctors 1952: The Rocket 1960: The Closing Door Katherine Squire in die Internet-rolprentdatabasis