The 1980 ABC Under-18 Championship was the sixth edition of the Asian Basketball Confederation (ABC)'s Junior Championship.

The games were held at Bangkok, Thailand from November 1–12, 1980.

After finishing runners-up from the previous two editions, China won their first-ever championship, after defeating the five-time defending champions, the Philippines, 94-84, in the Championship Round.

[1] The games were held at National Stadium, located in Bangkok.