Portia Nelson (27 Mei 1920 – 6 Maart 2001) was 'n Amerikaanse aktrise. Sy was bekend vir haar rolle in die rolprente The Sound of Music (1965), Doctor Dolittle (1967), The Hardy Boys: The Mystery of the Chinese Junk (1967), en The Other (1972). 1965: The Sound of Music 1967: Doctor Dolittle 1967: The Hardy Boys: The Mystery of the Chinese Junk 1972: The Other Portia Nelson in die Internet-rolprentdatabasis