The 2002–03 season was the 34th campaign of the Scottish Men's National League, the national basketball league of Scotland.
The season featured 10 teams; from the previous season, Arbroath Musketeers and East Lothian Peregrines joined the league and Aberdeen Buccaneers did not return.
City of Edinburgh Kings won their first league title.
[1] The line-up for the 2002–03 season featured the following teams: Source: Scottish National League 2002-03 - Britball