Roller speed skating at the 2018 Summer Youth Olympics was held from 7 to 8 October.

The competition took place at the Paseo de la Costa in Buenos Aires, Argentina.

[1] Each National Olympic Committee (NOC) was permitted a maximum of two competitors, one boy and one girl.

The remaining places were decided at the 2018 Roller Speed Skating World Championship, with each participating continent guaranteed a spot at the games.

[2] To be eligible to participate at the Youth Olympics athletes must have been born between 1 January 2000 and 31 December 2003.