| Club: | Heart of Midlothian |
| Season: | 2002–03 |
| Manager: | Craig Levein |
| Stadium: | Tynecastle Stadium |
| League: | Scottish Premier League |
| League Result: | 3rd |
| Cup1 Result: | Third round |
| Cup2 Result: | Semi-finals |
| League Topscorer: | Mark de Vries (15) |
| Season Topscorer: | Mark de Vries (15) |
| Highest Attendance: | 17,332 v Hibs SPL 2 January 2003 |
| Lowest Attendance: | 8,074 v Livingston SPL 7 December 2002 |
| Average Attendance: | 12,058 |
| Prevseason: | 2001–02 |
| Nextseason: | 2003–04 |
The 2002–03 season was the 122nd season of competitive football by Heart of Midlothian, and their 20th consecutive season in the top level of Scottish football, competing in the Scottish Premier League. Hearts also competed in the Scottish Cup and League Cup.
See main article: 2002–03 Scottish Premier League.
See main article: Scottish League Cup 2002–03.
See main article: 2002–03 Scottish Cup.