These lists focus on organizations for denominations that have an ordained diaconate.
Anglican
- Association for Episcopal Deacons (The Episcopal Church)
- Association of Anglican Deacons in Canada (The Anglican Church in Canada)
- Australian Anglican Diaconal Association (The Anglican Church of Australia)
- Diaconal Association of the Church of England
Roman Catholic
- CatholicDeacon.org
- National Association of Diaconate Directors
Deaconesses
- Anglican Deaconess Association (Anglican Church in North America)
- Ministry Of Deaconesses (Anglican Province of America)
- Order of Deaconesses (Reformed Episcopal Church)