Phyllis McCarthy (12 March 1903 – 16 February 1986) was a South African breeder of and authority on Rhodesian Ridgeback dogs. She established the Glenaholm Kennels in 1949 in Pietermaritzburg, South Africa, played a seminal role in the Ridgeback community and produced a long line of Ridgebacks featuring prominently in the ancestry of almost all modern members of the breed.