The 2018 U-19 Asia Rugby Championship is an international rugby union competition for Under 20 national teams in Asia.

The competition was held in Taipei, Taiwan.

[1] The top division was held in Taipei, Taiwan from 12–18 December 2018 in a round-robin tournament format.

Division 1 was hosted by the Thailand at the Bang-Bon Stadium in Bangkok from 11–14 December 2018.

The winner will be promoted to the top division.