COSA
# COSA

COSA is an acronym and may refer to:

* Circles of Support and Accountability, are groups of volunteers with professional supervision to support sex offenders as they reintegrate into society after their release from incarceration
* Committee on Sustainability Assessment, a non-profit global consortium of institutions, which uses participatory methods to pioneer the scientific measurement of sustainability in agriculture
* COSA, a 12-step family program of Sex Addicts Anonymous
* Children's Organization of Southeast Asia (COSA)
* Colliery Officials and Staffs Area of the National Union of Mineworkers, a British trade union
* Company of Science and Art
