The National Committee for Addiction Treatment (NCAT) is the national voice of the addiction treatment sector. NCAT provides expert advice on treatment for alcohol, other drugs, and problem gambling.

The membership of NCAT reflects the work and diversity of the Addiction Treatment Sector in New Zealand. NCAT is a group of service leaders, educators, representative groups and elected individuals who provide leadership to the alcohol and other drug (AOD) and problem gambling treatment sector and its stakeholders.