Indian Football League

The Indian Football League (IFL), officially known as Star Cement Indian Football League for sponsorship reasons, is the men's second professional football division of the Indian football league system, behind the Indian Super League. Administered by the All India Football Federation, it is currently contested by 10 clubs. It operates as a system of promotion and relegation with the Indian Super League (ISL) and the Indian Football League 2.

The competition was founded in 2007 as the successor to the National Football League, with the first season starting in November 2007. The league was launched as India's first top-tier professional football league with the aim to increase the player pool for the India national team. I-League operates on a system of promotion and relegation with the I-League 2 and at first only promotion system with the ISL, from the 2022–23 season.

Since the inception of the I-League, a total of ten clubs have been crowned champions. Dempo have won the most titles in league history, being crowned champions three times. Churchill Brothers, Mohun Bagan, Bengaluru and Gokulam Kerala have won the league twice. Inter Kashi, Salgaocar, Aizawl, Minerva Punjab, Chennai City, Roundglass Punjab and Mohammedan have won it once.

Since the inaugural season to 2011, the league was sponsored by ONGC and known as ONGC I-League. Between 2011 & 2013 and again from 2023 & 2025, it did not have a title sponsor. For 2014–15 season, Aitel was the title sponsor and it was known as Airtel I-League. From 2014 to 2023, it was sponsored by Hero and known as Hero I-League. Following the rebranding as IFL in 2026, Star Cement became the title sponsor for the league.