| Tournament details | |
|---|---|
| Host country |  Sweden |
| Venue(s) | 2 (in 2 host cities) |
| Dates | December 25, 1983 – January 3, 1984 |
| Teams | 8 |
| Final positions | |
Champions  |  Soviet Union (6th title) |
Runner-up  |  Finland |
Third place  |  Czechoslovakia |
| Fourth place |  Canada |
| Tournament statistics | |
| Games played | 28 |
| Goals scored | 271 (9.68 per game) |
| Attendance | 32,384 (1,157 per game) |
| Scoring leader(s) | Raimo Helminen (24 points) |
The 1984 World Junior Ice Hockey Championships (1984 WJHC) was the eighth edition of the Ice Hockey World Junior Championship. It was held from December 25, 1983, to January 3, 1984, in Norrköping and Nyköping, Sweden. The Soviet Union won its second consecutive gold medal and sixth overall. Finland won silver and Czechoslovakia bronze.