The women's javelin throw event at the 1994 World Junior Championships in Athletics was held in Lisbon, Portugal, at Estádio Universitário de Lisboa on 20 and 22 July. An old specification 600g javelin was used.
| Gold | Taina Uppa | |
| Silver | María De La Caridad Álvarez | |
| Bronze | Reka Kovács |
22 July
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | | 55.34 | x | 53.28 | 57.12 | 59.02 | 54.40 | 59.02 | ||||
| align=left | align=left | | 57.22 | 55.92 | 58.26 | 55.02 | 55.46 | 54.92 | 58.26 | ||||
| align=left | align=left | | 53.66 | 52.58 | 51.72 | 47.18 | 55.88 | 54.64 | 55.88 | ||||
| 4 | align=left | align=left | | 55.74 | x | x | x | 52.60 | 52.04 | 55.74 | |||
| 5 | align=left | align=left | 44.64 | 51.36 | 54.36 | x | x | 55.70 | 55.70 | ||||
| 6 | align=left | align=left |  | 49.84 | 51.92 | 53.26 | 46.70 | 50.84 | 49.72 | 53.26 | |||
| 7 | align=left | align=left | 52.00 | 53.16 | 51.46 | x | 46.22 | 45.54 | 53.16 | ||||
| 8 | align=left | align=left |  | 52.22 | 49.22 | 48.84 | 49.92 | 47.98 | x | 52.22 | |||
| 9 | align=left | align=left |  | x | 51.70 | 48.46 | 51.70 | ||||||
| 10 | align=left | align=left |  | 47.50 | 47.86 | 51.02 | 51.02 | ||||||
| 11 | align=left | align=left | 45.22 | x | 49.00 | 49.00 | |||||||
| 12 | align=left | align=left | | 46.56 | 46.36 | x | 46.56 | ||||||
20 Jul
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 52.84 | 54.64 | - | 54.64 | Q | ||
| 2 | align=left | align=left | | 49.10 | 53.38 | - | 53.38 | Q | ||
| 3 | align=left | align=left | 46.48 | 49.48 | 53.26 | 53.26 | Q | |||
| 4 | align=left | align=left | | 52.70 | 52.10 | 49.98 | 52.70 | q | ||
| 5 | align=left | align=left | | 49.98 | 50.68 | 48.98 | 50.68 | q | ||
| 6 | align=left | align=left | | 50.24 | 49.26 | x | 50.24 | q | ||
| 7 | align=left | align=left | x | x | 48.54 | 48.54 | ||||
| 8 | align=left | align=left |  | 42.28 | x | 47.92 | 47.92 | |||
| 9 | align=left | align=left |  | x | 12.94 | 47.62 | 47.62 | |||
| 10 | align=left | align=left | 46.18 | x | 47.30 | 47.30 | ||||
| 11 | align=left | align=left |  | 47.30 | 42.96 | 45.56 | 47.30 | |||
| 12 | align=left | align=left | 36.20 | 37.16 | x | 37.16 | ||||
| 13 | align=left | align=left |  | x | 36.78 | 34.00 | 36.78 | |||
| align=left | align=left |  | x | x | x | NM | ||||
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 55.74 | - | - | 55.74 | Q | ||
| 2 | align=left | align=left | | 54.10 | - | - | 54.10 | Q | ||
| 3 | align=left | align=left | | 50.84 | 51.06 | 52.08 | 52.08 | q | ||
| 4 | align=left | align=left | 47.28 | 51.18 | x | 51.18 | q | |||
| 5 | align=left | align=left | 47.64 | 48.22 | 50.14 | 50.14 | q | |||
| 6 | align=left | align=left | | 49.90 | 49.82 | 45.72 | 49.90 | q | ||
| 7 | align=left | align=left | 48.74 | 49.60 | 47.68 | 49.60 | ||||
| 8 | align=left | align=left | | x | 48.50 | 32.62 | 48.50 | |||
| 9 | align=left | align=left |  | 45.36 | 43.54 | 47.28 | 47.28 | |||
| 10 | align=left | align=left | | 46.96 | x | x | 46.96 | |||
| 11 | align=left | align=left |  | 42.72 | 42.70 | 46.64 | 46.64 | |||
| 12 | align=left | align=left | | 46.24 | x | 45.10 | 46.24 | |||
| 13 | align=left | align=left | 44.64 | 43.82 | 44.10 | 44.64 | ||||
| 14 | align=left | align=left |  | x | x | 41.88 | 41.88 | |||
| 15 | align=left | align=left |  | 33.12 | 35.86 | 41.62 | 41.62 | |||
| 16 | align=left | align=left |  | x | 35.18 | 28.50 | 35.18 | |||
According to an unofficial count, 30 athletes from 23 countries participated in the event.