2002–03 League of Ireland Premier Division
|UEFA Champions League||Bohemians|
|UEFA Intertoto Cup||Shamrock Rovers|
|Top goalscorer||Glen Crowe: 18
The 2003 season would see the League of Ireland Premier Division change from a winter league to a summer league. To facilitate this change, the 2002–03 season was a shortened season. This saw each team play three rounds of games, totalling 27 games each. 
|1||Bohemians||54||15||9||3||47||27||+20||Qualified for 2003–04 UEFA Champions League|
|2||Shelbourne||49||15||4||8||44||26||+18||Qualified for 2003–04 UEFA Cup|
|3||Shamrock Rovers||43||12||7||8||42||29||+13||Qualified for 2003 UEFA Intertoto Cup|
|5||Longford Town [note 1]||35||8||11||8||25||29||+-4|
|6||University College Dublin||33||8||9||10||23||25||-2|
|7||St Patrick's Athletic||33||8||9||10||27||33||-6|
|8||Derry City [note 2]||31||8||7||12||31||37||-6||Qualified for 2003–04 UEFA Cup|
|9||Drogheda United||30||8||6||13||26||40||-14||Won promotion/relegation play-off|
|10||Bray Wanderers||20||4||8||15||31||53||-22||Relegated to First Division|
- Longford Town had 9 points deducted for fielding Avery John against Cork City, Bohemians and Bray Wanderers but this decision was revoked on appeal.
- Derry City qualified for the 2003–04 UEFA Cup after winning the 2002–03 FAI Cup.
The promotion/relegation play-off format was changed this season. It now featured four teams, the second, third and fourth placed teams from the 2002–03 League of Ireland First Division plus the ninth placed team from the Premier Division.
- 1st Legs
- 2nd Legs
Galway United win 2–1 on aggregate
Drogheda United win 4–2 on aggregate
- "Ireland - List of Topscorers". www.rsssf.com. Archived from the original on 6 April 2012. Retrieved 6 July 2016.
- Graham, Alex. Football in the Republic of Ireland a Statistical Record 1921–2005. Soccer Books Limited. ISBN 1-86223-135-4.
- "(Republic of) Ireland League Tables". www.rsssf.com. Archived from the original on 21 February 2008. Retrieved 6 July 2016.
- "(Republic of) Ireland League Tables - Second Level". www.rsssf.com. Archived from the original on 3 June 2009. Retrieved 10 July 2016.