Competitors for 2018 World Junior Figure Skating Championships
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Kirill Alyoshin |  RUS |
FSK | 24 April 1997 |
| Christina Carreira |  USA |
FSK | 3 April 2000 |
| Artur Danielian | RUS |
FSK | 17 December 2003 |
| Aleksandr Gallyamov |  NEU RUS |
FSK | 28 August 1999 |
| Denis Khodykin | RUS |
FSK | 6 July 1999 |
| Alyona Kostornaya | RUS |
FSK | 24 August 2003 |
| Polina Kostyukovich | RUS |
FSK | 7 March 2003 |
| Anastasiya Mishina | NEU RUS |
FSK | 24 April 2001 |
| Maksim Nekrasov | RUS |
FSK | 27 September 2000 |
| Darya Pavlyuchenko | RUS |
FSK | 31 December 2002 |
| Anthony Ponomarenko | USA |
FSK | 5 January 2001 |
| Matteo Rizzo |  ITA |
FSK | 5 September 1998 |
| Anastasiya Skoptsova | RUS |
FSK | 8 November 2000 |
| Aleksandra Trusova | NEU RUS |
FSK | 23 June 2004 |
| Arina Ushakova | RUS |
FSK | 18 December 1989 |
| Dmitry Yalin | RUS |
FSK | 9 August 1998 |
| Mako Yamashita |  JPN |
FSK | 31 December 2002 |
| Aleksey Yerokhov | RUS |
FSK | 5 September 1999 |