| 2003 World Junior Curling Championships | |
| Host City: | Flims, Switzerland |
| Arena: | Die Alpenarena |
| Dates: | March 22–30, 2003 |
| Men's Winner: | |
| Skip: | Steve Laycock |
| Third: | Christopher Haichert |
| Second: | Michael Jantzen |
| Lead: | Kyler Broad |
| Alternate: | Ben Hebert |
| Coach: | Barry Fiendell |
| Finalist: | (Eric Carlsén) |
| Women's Winner: | |
| Skip2: | Marliese Miller |
| Third2: | Tejay Surik |
| Second2: | Janelle Lemon |
| Lead2: | Chelsey Bell |
| Alternate2: | Tammy Schneider |
| Coach2: | Bob Miller |
| Finalist2: | (Cassandra Johnson) |
The 2003 World Junior Curling Championships were held at the Die Alpenarena in Flims, Switzerland March 22–30. Teams from the province of Saskatchewan won gold medals in both events for Canada. It would be the last women's championship won by Canada until 2014.
| Country | Skip | Wins | Losses | |
|---|---|---|---|---|
| 7 | 2 | |||
| 7 | 2 | |||
| 7 | 2 | |||
| 7 | 2 | |||
| 4 | 5 | |||
| 4 | 5 | |||
| 3 | 6 | |||
| 3 | 6 | |||
| 2 | 7 | |||
| 1 | 8 |
| Country | Skip | Wins | Losses | |
|---|---|---|---|---|
| 9 | 0 | |||
| 6 | 3 | |||
| 6 | 3 | |||
| 5 | 4 | |||
| 5 | 4 | |||
| 4 | 5 | |||
| 4 | 5 | |||
| 3 | 6 | |||
| 2 | 7 | |||
| 1 | 8 |