The Slipper Orchid Alliance
- International organization dedicated to the slipper group of orchids, which include cypripedium, paphiopedilum, selenipedium, and phragmipedium. Culture sheets, photo gallery of species and hybrids, and membership information.
- http://www.slipperorchid.org/

The Odontoglossum Alliance
- International organization devoted to New World orchid plants in the Odontoglossum alliance. Information about membership and meetings, and several photos.
- http://www.odontoglossumalliance.org/

Encyclia Enthusiasts
- An affiliate Organization of the American Orchid Society providing botanical and horticultural information on the genus Encyclia and related orchidaceae, and promoting their cultivation and conservation. Articles, news, and membership information.
- http://www.encyclias.org/

Trinidad & Tobago Orchid Society
- Nonprofit horticultural society promotes education, cultivation and conservation. Find out about scheduled meetings.
- http://www.ttorchids.net/

Curacao Orchid Club
- Includes club history, show photos and native orchid information.
- http://www.curacaoorchidclub.com/

Australasian Native Orchid Society
- Includes membership information, photo section, articles and products for sale.
- http://www.anos.org.au/

The Orchid Mall Society Page
- A listing of links to Orchid Societies.
- http://www.orchidmall.com/society.htm

South African Orchid Council
- Links to the orchid growing community in South Africa. We strive to provide information on all Orchid Societies, Orchid Clubs, Orchid Groups and orchid related matters in South Africa.
- http://saoc.co.za/index.htm