John Houston Ingle (May 7, 1928 – September 16, 2012) was an American actor best known for his roles as scheming patriarch Edward Quartermaine in the ABC soap opera General Hospital and Mr. Threehorn, the father of the main character Cera in the Land Before Time.

A retired high school drama teacher, Ingle began mainstream acting in 1985 doing various guest appearances; one of his first cinema appearances was a performance of the song "Puzzling Evidence" in the 1986 David Byrne musical, True Stories (his recording of the song would not be released until 2018).

Once at Days of our Lives, Ingle became part of a love triangle story involving Bonnie (Judi Evans Luciano) and Maggie (Suzanne Rogers).

Ingle had recurring roles in HBO's Big Love, The Drew Carey Show, and the long-running The Land Before Time.

His pupils included Nicolas Cage, Albert Brooks, Richard Dreyfuss, Joanna Gleason, Barbara Hershey, Swoosie Kurtz, Stefanie Powers, David Schwimmer, Jonathan Silverman, and Julie Kavner.