Betty Lynn (gebore 29 Augustus 1926-2021) is 'n Amerikaanse aktrise. Sy is bekend vir haar rolle in die rolprente Mother Is a Freshman (1949), Cheaper by the Dozen (1950), en Payment on Demand (1951), en in die televisiereeks The Andy Griffith Show (1960).
- 1948: June Bride
- 1949: Mother Is a Freshman
- 1949: Father Was a Fullback
- 1950: Cheaper by the Dozen
- 1951: Payment on Demand
- 1956: Behind the High Wall
- 1959: The Louisiana Hussy
- 1967: The Singles
- 1951: The Freddy Martin Show
- 1953: Where's Raymond?
- 1960: The Andy Griffith Show