The women's 800 metres event at the 1994 World Junior Championships in Athletics was held in Lisbon, Portugal, at Estádio Universitário de Lisboa on 20, 21 and 22 July.
| Gold | Mioara Cosuleanu | |
| Silver | Jackline Maranga | |
| Bronze | Kutre Dulecha |
22 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 2:04.95 | ||||
| align=left | align=left | | 2:05.05 | ||||
| align=left | align=left | | 2:05.17 | ||||
| 4 | align=left | align=left |  | 2:05.66 | |||
| 5 | align=left | align=left |  | 2:06.66 | |||
| 6 | align=left | align=left |  | 2:07.09 | |||
| 7 | align=left | align=left |  | 2:07.26 | |||
| 8 | align=left | align=left |  | 2:10.75 |
21 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 2:06.26 | Q | ||
| 2 | align=left | align=left | | 2:06.63 | Q | ||
| 3 | align=left | align=left | | 2:06.67 | Q | ||
| 3 | align=left | align=left | | 2:06.67 | Q | ||
| 5 | align=left | align=left | | 2:06.78 | |||
| 6 | align=left | align=left |  | 2:07.40 | |||
| 7 | align=left | align=left | 2:09.35 | ||||
| 8 | align=left | align=left |  | 2:11.38 |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 2:04.07 | Q | ||
| 2 | align=left | align=left | | 2:04.73 | Q | ||
| 3 | align=left | align=left | | 2:05.19 | Q | ||
| 4 | align=left | align=left | | 2:06.41 | Q | ||
| 5 | align=left | align=left | | 2:06.44 | |||
| 6 | align=left | align=left | | 2:07.00 | |||
| 7 | align=left | align=left |  | 2:09.52 | |||
| 8 | align=left | align=left | | 2:15.08 |
20 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 2:06.74 | Q | ||
| 2 | align=left | align=left | | 2:06.75 | Q | ||
| 3 | align=left | align=left | | 2:07.22 | q | ||
| 4 | align=left | align=left | 2:07.63 | q | |||
| 5 | align=left | align=left |  | 2:07.68 | |||
| 6 | align=left | align=left | 2:07.81 | ||||
| 7 | align=left | align=left | 2:12.68 | ||||
| 8 | align=left | align=left | 2:14.75 |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 2:06.74 | Q | ||
| 2 | align=left | align=left | | 2:06.75 | Q | ||
| 3 | align=left | align=left | | 2:07.22 | q | ||
| 4 | align=left | align=left | | 2:07.63 | q | ||
| 5 | align=left | align=left | 2:07.68 | ||||
| 6 | align=left | align=left |  | 2:07.81 | |||
| 7 | align=left | align=left |  | 2:12.68 | |||
| 8 | align=left | align=left |  | 2:14.75 |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 2:05.22 | Q | ||
| 2 | align=left | align=left | | 2:06.25 | Q | ||
| 3 | align=left | align=left | | 2:06.48 | q | ||
| 4 | align=left | align=left | | 2:07.52 | q | ||
| 5 | align=left | align=left | 2:09.35 | ||||
| 6 | align=left | align=left |  | 2:21.94 | |||
| 7 | align=left | align=left | 2:23.01 | ||||
| 8 | align=left | align=left |  | 2:24.55 |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 2:07.75 | Q | ||
| 2 | align=left | align=left | | 2:08.11 | Q | ||
| 3 | align=left | align=left | | 2:08.23 | |||
| 4 | align=left | align=left | 2:09.68 | ||||
| 5 | align=left | align=left | | 2:09.85 | |||
| 6 | align=left | align=left |  | 2:10.65 | |||
| 7 | align=left | align=left |  | 2:11.54 | |||
| 8 | align=left | align=left | 2:12.96 |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 2:07.87 | Q | ||
| 2 | align=left | align=left | | 2:08.42 | Q | ||
| 3 | align=left | align=left | 2:09.70 | ||||
| 4 | align=left | align=left | | 2:10.14 | |||
| 5 | align=left | align=left | 2:10.51 | ||||
| 6 | align=left | align=left | | 2:13.24 | |||
| 7 | align=left | align=left |  | 2:13.46 |
According to an unofficial count, 39 athletes from 29 countries participated in the event.