This is a list of notable organizations for women in science and, more generally; science, technology, engineering, and math.

General STEM-oriented groups

International groups who cover the general topics of science, technology, engineering, and math.

• 500 Women Scientists
• American Association of University Women (AAUW)
• AnitaB.org
• Association for Women in Science (AWIS)
• European Platform of Women Scientists
• Girl Geek Dinners
• Graduate Women in Science (GWIS; formerly known as Sigma Delta Epsilon)
• International Network of Women in Engineering and Sciences
• Kovalevskaia Fund
• Laboratoria
• Outreachy
• Organization for Women in Science for the Developing World
• Stemettes
• Systers
• Women in Technology International

Subject-specific groups

International groups who focus on specific topics.

Computing and Information Technology

• AnitaB.org
• Association for Computing Machinery Committee on Women
• Association for Women in Computing
• BCSWomen, a specialist group of the British Computer Society
• Black Girls Code
• BlogHer
• Center for Women in Technology
• Committee on Widening Participation in Computing Research (CRA-WP)
• DC Web Women
• Django Girls
• Girl Geek Dinners
• Girls Who Code
• Ladies of Code
• LinuxChix
• National Center for Women & Information Technology (NCWIT)
• Native Girls Code
• Pyladies
• R-Ladies
• Systers
• Tech LadyMafia
• Women Who Code
• Women in Data
• Women in Technology International

Earth & Geosciences

• Association for Women Geoscientists
• Society of Woman Geographers
• Women in Geothermal
• Women in Mining

Engineering

• Society of Women Engineers (US)
• Women's Engineering Society (UK)

Mathematics

• African Women in Mathematics Association
• Association for Women in Mathematics
• European Women in Mathematics
• Femmes et Mathématiques

Medical sciences

• American Association for Women in Radiology
• American Medical Women's Association
• Association of Women Surgeons
• Kappa Epsilon (founded 1921 to promote woman pharmacists)
• Medical Women's International Association (est. 1919)
• National Association of Women Pharmacists

Physics

• Working Group on Women in Physics

Sociology

• Sociologists for Women in Society

Statistics

• Caucus for Women in Statistics

Location-specific organizations

Africa

Nigeria

• Medical Women's Association of Nigeria
• Women's Technology Empowerment Centre

South Africa

• Women'sNet (South African support for women activists using technology)

Uganda

• WOUGNET (Women of Uganda Network)

Asia

Philippines

• WomensHub (Philippines support for women activists using technology)

Europe

• European Platform of Women Scientists

Ireland

• Teen Turn
• Women in Technology and Science

United Kingdom

• BCSWomen
• GlamSci (organization)
• WISE Campaign

Scotland

• Equate Scotland
• Girl Geeks Scotland

North America

United States

• American Association of University Women (AAUW; founded 1881)
• Association for Women in Science (AWIS)
• Girl Develop It

California

• San Francisco Women on the Web

Nevada

• The Diana Initiative

Washington, D.C.

• DC Web Women

Pacific

Australia

• Victorian Medical Women's Society

Inactive organizations

• Ada Initiative (closed 2015)
• WorldWIT (closed in 2007)

Events

• ACM-W
• African Summit on Women and Girls in Technology