The 2003 European Seniors Tour was the 12th season of the European Seniors Tour, the main professional golf tour in Europe for men aged 50 and over.
The following table lists official events during the 2003 season.
The following events were sanctioned by the European Seniors Tour, but did not carry official money, nor were wins official.
The Order of Merit was based on prize money won during the season, calculated in Euros.