The women's javelin throw event at the 1996 World Junior Championships in Athletics was held in Sydney, Australia, at International Athletic Centre on 21 and 23 August. An old specification 600g javelin was used.
| Gold | Osleidys Menéndez | |
| Silver | Nikolett Szabó | |
| Bronze | Bina Ramesh |
23 August
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | | 54.58 | 58.14 | 56.56 | 60.96 | x | 52.86 | 60.96 | ||||
| align=left | align=left | | 56.42 | 55.76 | 55.86 | 58.34 | x | x | 58.34 | ||||
| align=left | align=left | | 55.50 | 53.46 | 53.26 | 55.62 | x | 57.70 | 57.70 | ||||
| 4 | align=left | align=left | | 53.08 | 53.52 | 54.52 | x | 55.52 | x | 55.52 | |||
| 5 | align=left | align=left | 52.24 | 50.80 | 54.72 | 53.50 | 54.38 | x | 54.72 | ||||
| 6 | align=left | align=left |  | 50.40 | 49.60 | 51.52 | 51.56 | 52.60 | 53.86 | 53.86 | |||
| 7 | align=left | align=left | | 50.64 | 49.00 | 42.78 | 51.80 | 52.86 | x | 52.86 | |||
| 8 | align=left | align=left | | 43.36 | 50.84 | 48.84 | x | 52.80 | 43.58 | 52.80 | |||
| 9 | align=left | align=left |  | 50.42 | 49.66 | x | 50.42 | ||||||
| 10 | align=left | align=left |  | 49.60 | 48.52 | 50.40 | 50.40 | ||||||
| 11 | align=left | align=left |  | x | x | 49.98 | 49.98 | ||||||
| 12 | align=left | align=left | | 46.76 | 49.40 | 49.82 | 49.82 | ||||||
21 Aug
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 46.68 | 55.66 | - | 55.66 | Q | ||
| 2 | align=left | align=left | | x | 55.28 | - | 55.28 | Q | ||
| 3 | align=left | align=left | | 51.90 | 54.34 | - | 54.34 | Q | ||
| 4 | align=left | align=left | | 48.62 | 54.34 | - | 54.34 | Q | ||
| 5 | align=left | align=left | | 52.40 | 49.08 | 48.96 | 52.40 | q | ||
| 6 | align=left | align=left | x | 48.72 | 51.16 | 51.16 | q | |||
| 7 | align=left | align=left | | 49.50 | 45.60 | x | 49.50 | |||
| 8 | align=left | align=left | 48.62 | x | x | 48.62 | ||||
| 9 | align=left | align=left |  | 48.48 | x | 47.50 | 48.48 | |||
| 10 | align=left | align=left |  | 44.18 | 47.24 | 44.68 | 47.24 | |||
| 11 | align=left | align=left |  | 47.10 | 46.50 | x | 47.10 | |||
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | x | 56.02 | - | 56.02 | Q | ||
| 2 | align=left | align=left | | 55.06 | - | - | 55.06 | Q | ||
| 3 | align=left | align=left | | 54.40 | - | - | 54.40 | Q | ||
| 4 | align=left | align=left | | 48.98 | x | 54.22 | 54.22 | Q | ||
| 5 | align=left | align=left | | 51.18 | 51.02 | x | 51.18 | q | ||
| 6 | align=left | align=left | | 50.84 | 49.80 | 50.06 | 50.84 | q | ||
| 7 | align=left | align=left | x | 49.46 | 50.54 | 50.54 | ||||
| 8 | align=left | align=left | | 48.24 | 48.50 | 50.08 | 50.08 | |||
| 9 | align=left | align=left |  | 46.22 | 49.44 | 45.70 | 49.44 | |||
| 10 | align=left | align=left |  | 38.48 | 42.14 | 47.02 | 47.02 | |||
| 11 | align=left | align=left |  | 36.88 | 41.66 | 44.42 | 44.42 | |||
| 12 | align=left | align=left | 36.70 | 39.06 | 36.42 | 39.06 | ||||
According to an unofficial count, 23 athletes from 16 countries participated in the event.