| Tourney Name: | Air Canada Cup |
| Year: | 2003 |
| Dates: | April 21–27, 2003 |
| Num Teams: | 6 |
| Venues: | Sault Memorial Gardens in Sault Ste. Marie, ON |
| Type: | other |
| Winners: | Calgary Northstars |
| Second: | Collège Antoine-Girouard |
| Third: | St. John's Maple Leafs |
| Scoring Leader: | Mathieu Aubin |
| Mvp: | Ted Purcell |
| Prevseason: | 2002 |
| Nextseason: | 2004 |
The 2003 Air Canada Cup was Canada's 25th annual national midget 'AAA' hockey championship, played April 21–27, 2003 at the Sault Memorial Gardens in Sault Ste. Marie, Ontario.[1] The Calgary Northstars defeated the Gaulois du Collège Antoine-Girouard 5-1 in the gold medal game to win the national title. It also marked the last season that the midget championship was known as the Air Canada Cup; it would be renamed the Telus Cup.
Future National Hockey League players competing in this tournament were Kris Letang, Jay Beagle, Colin Greening, and Teddy Purcell, who was named the most valuable player of the tournament.
| width=20 | Result | Team | width=80 | Region | City |
|---|---|---|---|---|---|
| Calgary Northstars | Pacific | Calgary, AB | |||
| Gaulois du Collège Antoine-Girouard | Quebec | Saint-Hyacinthe, QC | |||
| St. John's Maple Leafs | Atlantic | St. John's, NL | |||
| 4 | Yorkton Harvest | West | Yorkton, SK | ||
| 5 | Waterloo Wolves | Central | Waterloo, ON | ||
| 6 | Sault Ste. Marie North Stars | Host | Sault Ste. Marie, ON |