1993 IAAF World Indoor Championships – Men's 400 metres
# 1993 IAAF World Indoor Championships – Men's 400 metres

The men's 400 metres event at the 1993 IAAF World Indoor Championships was held on 12, 13 and 14 March.

## Medalists

| Gold | Silver | Bronze |
| - | - | - |
| Butch Reynolds United States | Sunday Bada Nigeria | Darren Clark Australia |

## Results

### Heats

First 2 of each heat (Q) and next 2 fastest (q) qualified for the semifinals.

| Rank | Heat | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| 1 | 3 | Butch Reynolds | United States | 46.37 | Q |
| 2 | 1 | Ibrahim Ismail Muftah | Qatar | 46.43 | Q, AR |
| 3 | 1 | Sunday Bada | Nigeria | 46.57 | Q |
| 4 | 2 | Rico Lieder | Germany | 46.63 | Q |
| 5 | 3 | Darren Clark | Australia | 46.76 | Q |
| 6 | 2 | Benyounés Lahlou | Morocco | 46.81 | Q, NR |
| 7 | 3 | Mark Jackson | Canada | 47.03 | q |
| 8 | 3 | Masayoshi Kan | Japan | 47.16 | q, NR |
| 9 | 4 | Jason Rouser | United States | 47.35 | Q |
| 10 | 4 | Devon Morris | Jamaica | 47.42 | Q |
| 11 | 5 | Cephas Lemba | Zambia | 47.47 | Q |
| 12 | 2 | Eronilde de Araújo | Brazil | 47.50 | AR |
| 13 | 2 | Troy Douglas | Bermuda | 47.55 | |
| 13 | 5 | Cayetano Cornet | Spain | 47.55 | Q |
| 15 | 4 | Alvin Daniel | Trinidad and Tobago | 47.56 | |
| 16 | 4 | Anton Ivanov | Bulgaria | 47.83 | |
| 17 | 3 | Marco Vaccari | Italy | 47.84 | |
| 18 | 1 | Dmitriy Kosov | Russia | 47.86 | |
| 19 | 1 | Francis Ogola | Uganda | 48.06 | NR |
| 20 | 2 | Shigekazu Ōmori | Japan | 48.32 | |
| 21 | 5 | John Lawson | South Africa | 48.43 | |
| 22 | 1 | Bekele Ergogo | Ethiopia | 48.82 | |
| 23 | 2 | Raymundo Escalante | Mexico | 49.09 | |
| 24 | 5 | Ian Morris | Trinidad and Tobago | 49.91 | |
| | 1 | Anthony Wallace | Jamaica | DQ | |
| | 4 | Emin Makhmudbekov | Azerbaijan | DQ | |
| | 5 | Karsten Just | Germany | DQ | |
| | 3 | Aivar Ojastu | Estonia | DNS | |
| | 4 | Sidnei de Souza | Brazil | DNS | |

### Semifinals

First 2 of each semifinal (Q) and the next 2 fastest (q) qualified for the final.

| Rank | Heat | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| 1 | 1 | Butch Reynolds | United States | 45.70 | Q |
| 2 | 1 | Rico Lieder | Germany | 46.16 | Q |
| 3 | 2 | Sunday Bada | Nigeria | 46.29 | Q |
| 4 | 1 | Darren Clark | Australia | 46.64 | q, AR |
| 5 | 2 | Jason Rouser | United States | 46.80 | Q |
| 6 | 1 | Devon Morris | Jamaica | 46.83 | q |
| 7 | 2 | Mark Jackson | Canada | 47.10 | |
| 8 | 2 | Cayetano Cornet | Spain | 47.12 | |
| 9 | 1 | Cephas Lemba | Zambia | 47.16 | |
| 10 | 1 | Masayoshi Kan | Japan | 47.25 | |
| | 2 | Benyounés Lahlou | Morocco | DQ | |
| | 2 | Ibrahim Ismail Muftah | Qatar | DQ | |

### Final

| Rank | Name | Nationality | Time | Notes |
| - | - | - | - | - |
| | Butch Reynolds | United States | 45.26 | CR |
| | Sunday Bada | Nigeria | 45.75 | AR |
| | Darren Clark | Australia | 46.45 | AR |
| 4 | Rico Lieder | Germany | 46.53 | |
| 5 | Devon Morris | Jamaica | 46.67 | |
| 6 | Jason Rouser | United States | 46.70 | |
