| Event | Gold | Silver | Bronze | ||||||
| Indoor_2024 Men 400m | Alexander Doom |  BEL | 45.25s | Karsten Warholm |  NOR | 45.34s | Rusheen McDonald |  JAM | 45.65s |
| Indoor_2022 Men 400m | |||||||||
| Indoor_2018 Men 400m | Óscar Husillos |  ESP | 44.92s | Luguelín Santos |  DOM | 45.09s | Pavel Maslák |  CZE | 45.47s |
| Indoor 2016 Men 400m | Pavel Maslák | CZE | 45.44s | Abdalelah Haroun |  QAT | 45.59s | Deon Lendore |  TTO | 46.17s |
| Indoor 2014 Men 400m | Pavel Maslák | CZE | 45.24s | Chris Brown |  BAH | 45.58s | Kyle Clemons |  USA | 45.74s |
| Indoor 2012 Men 400m | Nery Brenes |  CRC | 45.11s | Demetrius Pinder | BAH | 45.34s | Chris Brown | BAH | 45.90s |
| Indoor 2010 Men 400m | Chris Brown | BAH | 45.96s | William Collazo |  CUB | 46.31s | Jamaal Torrance | USA | 46.43s |
| Indoor 2008 Men 400m | Tyler Christopher |  CAN | 45.67s | Johan Wissman |  SWE | 46.04s | Chris Brown | BAH | 46.26s |
| Indoor 2006 Men 400m | Alleyne Francique |  GRN | 45.54s | California Molefe |  BOT | 45.75s | Christopher Brown | BAH | 45.78s |
| Indoor 2004 Men 400m | Alleyne Francique | GRN | 45.88s | Davian Clarke |  JAM | 45.92s | Gary Kikaya |  COD | 46.30s |
| Indoor 2003 Men 400m | Tyree Washington | USA | 45.34s | Daniel Caines |  GBR | 45.43s | Paul McKee |  IRL | 45.99s |
| Jamie Baulch | GBR | 45.99s | |||||||
| Indoor 2001 Men 400m | Daniel Caines | GBR | 46.40s | Milton Campbell | USA | 46.45s | Danny McFarlane | JAM | 46.74s |
| Indoor 1999 Men 400m | Jamie Baulch | GBR | 45.73s | Milton Campbell | USA | 45.99s | Alejandro Cardenas |  MEX | 46.02s |
| Indoor 1997 Men 400m | Sunday Bada |  NGR | 45.51s | James Baulch | GBR | 45.62s | Shunji Karube |  JPN | 45.76s |
| Indoor 1995 Men 400m | Darnell Hall | USA | 46.17s | Sunday Bada | NGR | 46.38s | Mikhail Vdovin |  RUS | 46.65s |
| Indoor 1993 Men 400m | Harry Reynolds | USA | 45.26s | Sunday Bada | NGR | 45.75s | Darren Clark |  AUS | 46.45s |
| Indoor 1991 Men 400m | Devon Morris | JAM | 46.17s | Samson Kitur |  KEN | 46.21s | Cayetano Cornet | ESP | 46.52s |
| Indoor 1989 Men 400m | Antonio McKay | USA | 45.59s | Ian Morris |  TRI | 46.09s | Cayetano Cornet | ESP | 46.40s |
| Indoor 1987 Men 400m | Antonio Mckay | USA | 45.98 | Roberto Hernandez | CUB | 46.09 | Michael Franks | USA | 46.19 |
