The 2002–03 Sheffield Shield marked the 111th edition of Australia's premier first-class cricket competition. Six state teams played thirty-one matches across a double round-robin format before concluding with the final.
New South Wales claimed the title for their forty-third championship victory. In the final match, Queensland won the toss and chose to field first against New South Wales.
Individual performances shaped the summer across the country. South Australia batsman Greg Blewett led the run-scoring charts with 843 runs, securing five centuries along the way. New South Wales spinner Stuart MacGill dominated the bowling attack by taking 48 wickets.
Queensland batsman Clinton Perren earned the player of the series award for his standout contributions throughout the tournament.
| 14–16 March 2003 Scorecard |
| New South Wales | v | Queensland (home team) |
| 282 (80.2 overs)Michael Slater 100 (197)Joe Dawes 5/66 (21 overs) | 84 (29.2 overs)Wade Seccombe 24* (39)Stuart MacGill 5/16 (5.2 overs) | |
| 263 (80.2 overs)Steve Waugh 56 (132)Joe Dawes 3/64 (17 overs) | 215 (65 overs)Lee Carseldine 65 (146)Simon Katich 3/43 (14 overs) |
| New South Wales won by 246 runsVenue: The Gabba, Brisbane Umpires: Peter Parker and Steve Davis Player of the match: Simon Katich (New South Wales) |
Squad lists and statistics via Wikipedia