Chennaiyin FC's U-18 team was launched along with the U-15 and U-13 age-group teams on the club's third birthday on August 28, 2017. They compete in the ongoing AIFF U-18 National Youth League that commenced in October 2018, and other football tournaments in their age group. Their debut National Youth League campaign last year saw them finish 3rd in the Chennai & Bengaluru zone with a tally of 14 points from eight group matches.
Majority of the CFC U-18 team comprises budding talent from across the state of Tamil Nadu along with youngsters scouted from across the country. Current CFC senior team players Zonunmawia and Bedashwor Singh featured for the U-18s in the previous campaign.