Organizations that Seton Belonged To During His Lifetime
- American Bison Society
- American Institute of Arts and Letters
- American Museum of Natural History – Life Member –
- American Ornithology Association
- Boy Scouts of America – co-founder, Chief Scout
- Campfire Club of America – Charter member and President
- Camp Fire Girls (now Camp Fire Organization)
- Explorers Club, New York
- New York Zoological Society (now World Conservation Society)
- Order of Woodcraft Chivalry– Chieftain
- Players Club, New York