The men's hammer throw event at the 1994 World Junior Championships in Athletics was held in Lisbon, Portugal, at Estádio Universitário de Lisboa on 22 and 23 July. A 7257g (senior implement) hammer was used.
| Gold | Szymon Ziółkowski | |
| Silver | Igor Tugay | |
| Bronze | Sergey Vasilyev |
23 July
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | | 70.44 | x | 70.42 | x | 69.50 | x | 70.44 | ||||
| align=left | align=left | | 66.96 | 68.84 | x | 69.92 | x | 70.08 | 70.08 | ||||
| align=left | align=left | | 65.90 | 66.14 | x | 65.42 | 64.60 | 65.98 | 66.14 | ||||
| 4 | align=left | align=left |  | 65.08 | 61.88 | 62.02 | x | x | 64.56 | 65.08 | |||
| 5 | align=left | align=left |  | x | 63.34 | 62.14 | 60.66 | 64.70 | x | 64.70 | |||
| 6 | align=left | align=left |  | 63.60 | 63.36 | x | 62.50 | 63.60 | 62.58 | 63.60 | |||
| 7 | align=left | align=left |  | 59.70 | 62.78 | 61.40 | 60.42 | x | x | 62.78 | |||
| 8 | align=left | align=left | 62.22 | ||||||||||
| 9 | align=left | align=left | 61.64 | 62.14 | x | 62.14 | |||||||
| 10 | align=left | align=left | | 61.28 | x | 60.84 | 61.28 | ||||||
| align=left | align=left | | DNS | ||||||||||
| align=left | align=left | | 68.54 | 69.26 | 70.02 | 71.66 | 70.80 | 71.48 | DQ | IAAF rule 32.2 | |||
22 Jul
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | |||||||||
| 1 | align=left | align=left | 59.04 | x | 62.82 | 62.82 | q | ||||
| 2 | align=left | align=left | | x | 60.88 | 61.36 | 61.36 | q | |||
| 3 | align=left | align=left | x | 61.00 | 61.04 | 61.04 | q | ||||
| 4 | align=left | align=left | | x | 60.64 | 60.94 | 60.94 | q | |||
| 5 | align=left | align=left | | x | 60.60 | 59.74 | 60.60 | q | |||
| 6 | align=left | align=left | | x | 59.34 | 59.98 | 59.98 | ||||
| 7 | align=left | align=left |  | 57.18 | 59.94 | 56.08 | 59.94 | ||||
| 8 | align=left | align=left | 55.72 | x | 57.62 | 57.62 | |||||
| 9 | align=left | align=left |  | x | 57.00 | x | 57.00 | ||||
| 10 | align=left | align=left |  | 55.58 | 55.62 | 56.02 | 56.02 | ||||
| 11 | align=left | align=left |  | 54.76 | 52.02 | 52.76 | 54.76 | ||||
| 12 | align=left | align=left |  | 54.64 | 53.40 | 52.26 | 54.64 | ||||
| align=left | align=left | | x | x | x | NM | |||||
| align=left | align=left | | 69.24 | - | - | bgcolor=pink | DQ | IAAF rule 32.2 Q | |||
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 69.00 | - | - | 69.00 | Q | ||
| 2 | align=left | align=left | | 66.68 | - | - | 66.68 | Q | ||
| 3 | align=left | align=left | | 66.26 | - | - | 66.26 | Q | ||
| 4 | align=left | align=left | | 64.40 | - | - | 64.40 | Q | ||
| 5 | align=left | align=left | | 62.00 | x | 63.60 | 63.00 | q | ||
| 6 | align=left | align=left | | x | x | 60.98 | 60.98 | q | ||
| 7 | align=left | align=left |  | 56.38 | 60.44 | x | 60.44 | |||
| 8 | align=left | align=left |  | 58.28 | x | 59.22 | 59.22 | |||
| 9 | align=left | align=left | | 57.32 | 57.92 | 58.38 | 58.38 | |||
| 10 | align=left | align=left | | x | 55.98 | 57.74 | 57.74 | |||
| 11 | align=left | align=left | | 55.88 | 55.14 | x | 55.88 | |||
| 12 | align=left | align=left |  | x | x | 55.76 | 55.76 | |||
| 13 | align=left | align=left | 51.10 | x | x | 51.10 | ||||
| align=left | align=left |  | x | x | x | NM | ||||
According to an unofficial count, 28 athletes from 19 countries participated in the event.