| Tournament details | |
|---|---|
| Host country |  Canada |
| Venue(s) | Mariners Centre in Yarmouth, Nova Scotia |
| Dates | November 5, 2012 – November 12, 2012 |
| Teams | 6 |
| Final positions | |
Champions  |  United States (4th title) |
Runner-up  | Canada West |
Third place  |  Switzerland |
| Fourth place | Canada East |
| Tournament statistics | |
| Games played | 13 |
| Scoring leader(s) | Sandro Zangger (7 pts.) |
| MVP | Vince Hinostroza |
The 2012 World Junior A Challenge was an international Junior "A" ice hockey tournament organized by Hockey Canada. It was hosted in Yarmouth, Nova Scotia, from November 5–12, 2012, at the Mariners Centre. The event also included the 8th annual Canadian Junior Hockey League Prospects Game Challenge, marking the second time the two events have been paired together.