The men's javelin throw event at the 1994 World Junior Championships in Athletics was held in Lisbon, Portugal, at Estádio Universitário de Lisboa on 22 and 24 July.
| Gold | Marius Corbett | |
| Silver | Matti Närhi | |
| Bronze | Isbel Luaces |
24 July
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | x | 74.04 | 77.98 | 77.54 | 76.80 | 77.14 | 77.98 | |||||
| align=left | align=left | | 62.38 | 70.64 | x | 64.32 | 68.36 | 74.92 | 74.92 | ||||
| align=left | align=left | | x | 66.38 | 68.20 | x | 72.82 | 70.46 | 72.82 | ||||
| 4 | align=left | align=left |  | 72.74 | 57.96 | 58.66 | 66.16 | 69.30 | 69.60 | 72.74 | |||
| 5 | align=left | align=left | 67.82 | 72.48 | 71.58 | 70.92 | 70.24 | x | 72.48 | ||||
| 6 | align=left | align=left | | 66.38 | 66.90 | x | 65.24 | 68.10 | 72.06 | 72.06 | |||
| 7 | align=left | align=left |  | x | 69.48 | x | 65.02 | x | x | 69.48 | |||
| 8 | align=left | align=left | | 64.44 | 68.56 | 65.56 | x | x | 68.46 | 68.56 | |||
| 9 | align=left | align=left |  | 66.10 | 64.96 | 65.30 | 66.10 | ||||||
| 10 | align=left | align=left |  | 65.00 | 65.18 | 65.28 | 65.28 | ||||||
| 11 | align=left | align=left |  | 60.38 | 64.92 | x | 64.92 | ||||||
| 12 | align=left | align=left |  | x | 64.44 | x | 64.44 | ||||||
22 Jul
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | 73.26 | - | - | 73.26 | Q | |||
| 2 | align=left | align=left | | 67.88 | 71.82 | - | 71.82 | Q | ||
| 3 | align=left | align=left | 67.90 | 71.60 | - | 71.60 | Q | |||
| 4 | align=left | align=left | | 70.18 | - | - | 70.18 | Q | ||
| 5 | align=left | align=left | | 60.44 | 63.54 | 69.24 | 69.24 | q | ||
| 6 | align=left | align=left | | 66.46 | 65.72 | 68.10 | 68.10 | q | ||
| 7 | align=left | align=left | 66.52 | x | 67.68 | 67.68 | ||||
| 8 | align=left | align=left |  | 67.34 | 67.38 | 61.62 | 67.38 | |||
| 9 | align=left | align=left |  | 63.92 | 63.38 | 64.36 | 64.36 | |||
| 10 | align=left | align=left |  | 63.84 | x | 64.10 | 64.10 | |||
| 11 | align=left | align=left |  | 60.10 | 62.78 | 64.04 | 64.04 | |||
| 12 | align=left | align=left |  | x | 63.08 | 63.58 | 63.58 | |||
| 13 | align=left | align=left |  | 60.28 | 63.46 | x | 63.00 | |||
| 14 | align=left | align=left | 60.52 | x | 58.28 | 60.52 | ||||
| 15 | align=left | align=left |  | x | 60.02 | x | 60.02 | |||
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 73.48 | - | - | 73.48 | Q | ||
| 2 | align=left | align=left | | 72.92 | - | - | 72.92 | Q | ||
| 3 | align=left | align=left | | 68.48 | 65.26 | 71.72 | 71.72 | Q | ||
| 4 | align=left | align=left | | 70.88 | - | - | 70.88 | Q | ||
| 5 | align=left | align=left | | 70.44 | - | - | 70.44 | Q | ||
| 6 | align=left | align=left | | 68.26 | 63.74 | x | 68.26 | q | ||
| 7 | align=left | align=left | 66.74 | 64.76 | 65.18 | 66.74 | ||||
| 8 | align=left | align=left | | 66.68 | 66.50 | x | 66.68 | |||
| 9 | align=left | align=left |  | 60.98 | 60.02 | 66.10 | 66.10 | |||
| 10 | align=left | align=left | | 61.80 | 65.64 | 62.02 | 65.64 | |||
| 11 | align=left | align=left | 63.00 | 61.18 | 65.12 | 65.12 | ||||
| 12 | align=left | align=left | | 64.94 | x | x | 64.94 | |||
| 13 | align=left | align=left | 64.38 | x | x | 64.38 | ||||
| 14 | align=left | align=left |  | 61.76 | 62.14 | 59.94 | 62.14 | |||
| 15 | align=left | align=left | x | 55.20 | 58.42 | 58.42 | ||||
| align=left | align=left | x | x | - | NM | |||||
According to an unofficial count, 31 athletes from 24 countries participated in the event.