| Date | 8 August 1984 — 18:30 |
|---|---|
| Location | Los Angeles Memorial Coliseum, Los Angeles, California |
| Olympic Record | 20.00 (0.0 m/s) / Valery Borzov  URS / 4 September 1972 / Details |
| Details | Wind: -0.9 m/s |
| Pos | Lane | Competitor | NOC | Time (Automatic) | Reaction Time | |||
|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Carl Lewis |  USA | 19.80 | 0.177 | |||
| 2 | 3 | Kirk Baptiste | USA | 19.96 | 0.153 | |||
| 3 | 4 | Thomas Jefferson | USA | 20.26 | 0.180 | |||
| 4 | 8 | João Batista da Silva |  BRA | 20.30 | 0.165 | |||
| 5 | 6 | Ralf Lübke |  FRG | 20.51 | 0.191 | |||
| 6 | 2 | Jean-Jacques Boussemart |  FRA | 20.55 | 0.191 | |||
| 7 | 5 | Pietro Mennea |  ITA | 20.55 | 0.170 | |||
| 8 | 1 | Ade Mafe |  GBR | 20.85 | 0.195 |
