The Calcutta Football League (CFL) is a men's professional state football league in West Bengal, India, organised by Indian Football Association. Due to sponsorship reasons, the league is officially known as the Officer's Choice Blue Calcutta Football League, is the top football league in the state and the oldest football league in Asia.
Indian Football Association (IFA) conducts the CFL with more than 160 mostly Kolkata based clubs and units. Started in 1898, this league is the oldest football league in Asia and regarded as one of the oldest football competitions in the world. CFL currently consists of a seven-tier pyramid systemand there are more than 8,500 directly registered players of IFA participating in CFL every year, making it one of the biggest leagues in the country.