The 1998 Oceania Junior Athletics Championships were held at the Teufaiva Stadium in Nuku'alofa, Tonga, between August 27–28, 1998.

They were held together with the 1998 Oceania Open Championships.

A total of 37 events were contested, 19 by men and 18 by women.

Complete results can be found as compiled by Bob Snow on the Athletics Papua New Guinea,[1] on the Athletics Weekly,[2] and on the World Junior Athletics History webpages.

[3] *   Host nation (Tonga) An unofficial count yields the number of about 124 athletes from 15 countries: