UPASI (The United Planters' Association of Southern India) is an apex body of planters of tea, coffee, rubber, pepper and cardamom in the Southern States of India viz. Tamil Nadu, Kerala and Karnataka in existence since 1893.

There are 3 State Planters' Associations and 13 District Planters' Association affiliated to UPASI. It is the premier representative body of buyers, sellers, processors, exporters, co-operatives and all other market intermediaries of tea coffee, rubber and spices.

The Association's operations cover economic research, market intelligence, industrial relations, liaison, public relations, scientific research and publication.