The Indonesian Chamber of Commerce and Industry (Indonesian: Kamar Dagang dan Industri Indonesia) or Kadin is an association of business organizations in Indonesia. Members consist of entrepreneurs or a combination of national businesses from various sectors, including private-owned enterprises, cooperatives, and government-owned enterprises. Kadin is headquartered in Jakarta, but it functions by coordinating, consulting, and cooperating with chambers of commerce throughout Indonesia.

The organization was founded on 24 September 1968 and regulated in Act No. 1 of 1987.