The following is a list of existing and defunct organizations concerned with the advancement of lesbian, gay, bisexual or transgender servicemembers and veterans of national armed forces.

Australia

• Defence Force Lesbian Gay Bisexual Transgender and Intersex Information Service (DEFGLIS)^[1]

Canada

• LGBT Purge Fund^[2]
• Rainbow Veterans Canada^[3]

Netherlands

• Pink Army
• Stichting Homosexualiteit en Krijgsmacht (Foundation Homosexuality and Armed Forces)

United States

• American Military Partner Association (formerly known as Campaign for Military Partners)(defunct)
• American Veterans for Equal Rights (formerly known as Gay, Lesbian & Bisexual Veterans of America)
• Blue Alliance
• Knights Out
• Modern Military Association of America (The American Military Partner Association and OutServe-SLDN merged in 2019 to form this new organization)
• OutServe-SLDN
• USNA Out
• Veterans Benevolent Association (defunct)
• Transgender American Veterans Association