American Anthropological Association (AAA)

http://www.aaanet.org/
The main professional organization for anthropologists in the United States. The AAA is an umbrella organization composed of many "sections," each focusing on a particular topic.

Society for Applied Anthropology (SfAA)

http://www.sfaa.net/
One of the two professional organizations for applied anthropologists in the US

National Association for the Practice of Anthropology (NAPA)

http://www.practicinganthropology.org/
The other professional organization for applied anthropologists in the United States. NAPA is a section of the AAA.

Society for Linguistic Anthropology (SLA)

http://linguisticanthropology.org/
The association for linguistic anthropologists. This group is a section of the AAA.

Washington Association of Anthropologists (WAPA)

http://www.wapadc.org/
An association for applied anthropologists who work in the Washington area. Many of them hold government-related positions. This is the largest regional group of applied anthropologists, with several hundred members. The association sponsors many activities throughout the year.

Society for Medical Anthropology (SMA)

http://www.medanthro.net/
The association for medical anthropologists. This group is a section of the AAA.

Council on Anthropology and Education (CAE)

http://www.aaanet.org/sections/cae/
A section of AAA focusing on education.

Association of Latina and Latino Anthropologists (ALLA)

http://www.aaanet.org/sections/alla/
A section of AAA focusing on Latinas/os.