- Assembly of First Nations
- Assembly of Manitoba Chiefs
- Assets in Canada
- Assiniboia
- Assiniboia (Sask)
- Assiniboine
- Assiniboine River
- Medical Assistance in Dying (MAID)
- Associated Board of the Royal Schools of Music
- Associated Manitoba Arts Festivals, Inc
- Acfas
- Association chorale Brassard
- Association chorale Saint-Louis-de-France
- Association de musique actuelle de Québec
- Association des chanteurs de Montréal
