Betty Thomas (born July 27, 1948) is an American actress and director in television and motion pictures.
Born Betty Thomas Nienhauser in St. Louis, Missouri, Thomas graduated from Ohio University in Athens, Ohio, with a Bachelor of Fine Arts degree. She worked as an artist and taught school in Chicago before deciding to pursue a career in show business.
Thomas joined The Second City comedy group and appeared in the films Tunnel Vision (1975), Chesty Anderson, USN (1976), Used Cars (1980) and Loose Shoes (1980) and on the TV series The Fun Factory (1976). Later, she appeared as a guest performer on the British comedy program Whose Line Is It Anyway? in 1988.