The men's 1500 metre freestyle swimming competition at the 2002 Asian Games in Busan was held on 4 October at the Sajik Swimming Pool.

This was a timed-final event, meaning that each swimmer only swam once, with the fastest eight (8) entrants swimming in the finals.

All times are Korea Standard Time (UTC+09:00) Prior to this competition, the existing world, Asian and Games records were as follows.