| Iaaf: | NGR |
| Flagcaption: | Flag of Nigeria |
| Games Link: | 1983 World Championships in Athletics |
| Year: | 1983 |
| Games: | World Championships in Athletics |
| Location: | Helsinki, Finland |
| Date: | August 7–14, 1983 |
| Competitors: | 9 |
| Competitors Men: | 8 |
| Competitors Women: | 1 |
| Events: | 9 |
| Rank: | =21 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 1 |
| Appearances: | auto |
Nigeria competed at the 1983 World Championships in Athletics in Helsinki, Finland, from August 7 to 14, 1983.[1]
| Athlete | Event | Heat | Quarterfinal | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | Result | Rank | ||
| Chidi Imoh | align=left rowspan=2 | 100 metres | 10.55 | 27 Q | 10.45 | 17 | colspan=4 rowspan=2 | ||
| align=left rowspan=2 | Innocent Egbunike | 10.44 | 19 Q | 10.52 | 21 | ||||
| 200 metres | 21.28 | 21 Q | 20.91 | 12 Q | 20.63 | 6 Q | 20.63 | 6 | |
| Sunday Uti | 400 metres | Disqualified | colspan=6 | ||||||
| Daniel Ogidi | 400 metres hurdles | 50.44 | =9 Q | 49.51 | 8 | colspan=2 | |||
| Innocent Egbunike Ikpoto Eseme Samson Oyeledun Chidi Imoh | 4 × 100 metres relay | 39.62 | 12 Q | 39.44 | 10 | ||||
| Athlete | Event | Qualification | Final | |||
|---|---|---|---|---|---|---|
| Distance | Position | Distance | Position | |||
| Yusuf Alli | Long jump | 8.11 | 4 Q | 7.89 | 8 | |
| Ajayi Agbebaku | Triple jump | 16.80 | 2 Q | 17.18 | ||
| Athlete | Event | Heat | Quarterfinal | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | Result | Rank | ||
| align=left rowspan=2 | Rufina Ubah | 100 metres | 11.67 | 28 q | 11.60 | 19 | colspan=4 rowspan=2 | ||
| 200 metres | 24.12 | 26 q | 24.72 | 28 | |||||