| Winners: | Shillong Lajong |
| Competition: | Youth League U18 |
| Season: | 2017–18 |
| Matches: | 235 |
| Total Goals: | 797 |
| League Topscorer: | Manvir Singh (14 goals) |
| Biggest Away Win: | Raman Vijayan Football School 2–16 Bengaluru |
| Highest Scoring: | Chennaiyin 15–4 Raman Vijayan Football School |
| Prevseason: | 2016–17 |
| Nextseason: | 2018–19 |
The 2017–18 Youth League U18 (formerly known as I-League U18) was the tenth season of the Indian Youth League U18 and the third season of the competition as an under-18 one. AIFF announced that the zonal rounds for the league that started from 20 November 2017 in Chennai, Maharashtra, Kolkata and Delhi.[1] AIFF Elite Academy were three-time defending champions, but did not participate in the tournament. Shillong Lajong won their first title by defeating Kerala Blasters 2–0 in the final on 26 May 2018.
All matches played at Minerva Training Ground, Ludhiana.
All matches played at Panampally Ground, Kochi.
All matches played at Jawaharlal Nehru Stadium (Shillong).
All matches played at MFA Turf, Shillong.
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 | Manvir Singh | Ozone | 14 |
| 2 | Joe Massey | Bhaichung Bhutia FS | 11 |
| Rohit Tigga | SAI (Kolkata) | ||
| 4 | Bishnu Bordoloi | DSK Shivajians | 9 |
| Ishan V Dey | Pune City | ||
| B Rohmingthanga | Chennaiyin | ||
| 7 | Rohan Harish Shukla | Football School of India | 8 |
| Dingku Sharma | DSK Shivajians | ||
| Syed Suhail Pasha | Chennaiyin | ||
| Jhantu Prasad | East Bengal | ||
| Adarsh AS | Kerala Blasters | ||
| 12 | Supratip Barui | United | 7 |
| B Lalnuntluanga | Bengaluru | ||
| Omega Vanlalhruaitluanga | Pune City | ||
| Ragav Gupta | Bengaluru | ||
| Umair Saiyyad | DSK Shivajians | ||
| Yash Sanjay Angre | Bhaichung Bhutia FS | ||
| Shijin T | SAI (Thiruvananthapuram) | ||
| Paul Ramfangzauva | Aizawl | ||
| Phrangki Buam | Shillong Lajong |