Arthur A Seeligson Jr
- Category : 1920-births
- Type : GP
- Profile : 5/1 - Heretical / Investigator
- Definition : Split - Large
- Incarnation Cross : LAX Alignment 2
American oilman, rancher, and a Thoroughbred racehorse owner/breeder. He had stakes race winners both in the United States and in Europe. He most notably bred and raced Avatar, winner of the 1975 Santa Anita Derby and the American Classic, the Belmont Stakes.
He died on 17 April 2001, aged 80, in San Antonio, Texas.