| 451 | Jun Osakada |  | 45.05 | | Sep 9, 2000 | Yokohama (JPN) |
| 451 | Yevgeniy Lomtyev |  | 45.05 | | Jun 22, 1984 | Kiev (URS) |
| 451 | Joey Jacob Hughes |  | 45.05 | | May 14, 2011 | Tucson, AZ (USA) |
| 451 | Manuel Sanders |  | 45.05 | | Sep 3, 2023 | Olympiastadion, Berlin (GER) |
| 451 | Ibrahima Wade |  | 45.05 | | Aug 20, 1998 | Dakar (SEN) |
| 451 | Antonie Matthys Nortje |  | 45.05 | | May 12, 2024 | Potts Field, Boulder, CO (USA) |
| 451 | Gilles Biron |  | 45.05 | | Jul 4, 2023 | San Salvador (ESA) |
| 451 | Trevor Bassitt | | 45.05 | | Mar 19, 2022 | Štark Arena, Beograd (SRB) (i) |
| 451 | Carlos Santa |  | 45.05 | | Aug 7, 2004 | Estadio Iberoamericano, Huelva (ESP) |
| 451 | Henry Thomas | | 45.05 | | Aug 13, 1987 | Koblenz (GER) |
| 461 | Clinton Hill |  | 45.06 | | Jan 26, 2006 | Canberra (AUS) |
| 461 | Martin Jellinghaus | | 45.06 | | Oct 17, 1968 | Estadio Olímpico, Ciudad de México (MEX) |
| 461 | Robson Da Silva |  | 45.06 | | May 19, 1991 | São Paulo (BRA) |
| 461 | Bershawn Jackson | | 45.06 | | Jun 22, 2007 | Indianapolis, IN (USA) |
| 461 | Conrad Williams |  | 45.06 | | Jun 6, 2015 | Genève (SUI) |
| 461 | Fitzroy Dunkley |  | 45.06 | | Jun 10, 2016 | Eugene, OR (USA) |
| 461 | Ismail Turner | | 45.06 | | May 27, 2022 | John McDonnell Field, Fayetteville, AR (USA) |
| 461 | Will Sumner | | 45.06 | | Aug 1, 2025 | Hayward Field, Eugene, OR (USA) |
| 461 | Kelvis Padrino |  | 45.06 | | Aug 22, 2025 | Estadio Brigido Iriarte, Caracas (VEN) |
| 461 | Kai Liu |  | 45.06 | | Aug 3, 2025 | Sports Center, Quzhou (CHN) |
| 471 | Devon Morris | | 45.07 | | May 24, 1986 | Russellville, AR (USA) |
| 471 | Sean Wroe | | 45.07 | | Mar 20, 2009 | Brisbane (AUS) |
| 471 | Oscar Pistorius | | 45.07 | | Jul 19, 2011 | Lignano Sabbiadoro (ITA) |
| 471 | Christian Taylor | | 45.07 | | Jun 3, 2018 | FBK Stadium, Hengelo (NED) |
| 471 | Ditiro Nzamani |  | 45.07 | | Jul 20, 2019 | Yaoundé (CMR) |
| 471 | Jochem Dobber |  | 45.07 | | Jun 27, 2021 | Atletiekbaan Breda, Breda (NED) |
| 471 | Cameron Reynolds | | 45.07 | | May 27, 2022 | John McDonnell Field, Fayetteville, AR (USA) |
| 471 | Bill Green | | 45.07 | | May 10, 1981 | Westwood, CA (USA) |
| 471 | Ayden Owens-Delerme |  | 45.07 | | Jul 23, 2022 | Hayward Field, Eugene, OR (USA) |
| 471 | Kalinga Hewa Kumarage |  | 45.07 | | Jul 29, 2023 | Mahinda Rajapaksha Stadium, Diyagama (SRI) |
| 471 | Olivier Noirot | | 45.07 | | Jul 27, 1991 | Dijon (FRA) |
| 471 | Bonface Mucheru |  | 45.07 | | Aug 12, 2014 | Le Grand Stade, Marrakech (MAR) |
| 483 | Matthew Moorer | | 45.08 | | Mar 11, 2023 | Convention Center, Albuquerque, NM (USA) (i) |
| 483 | Mazen Mawtan Al Yasen |  | 45.08 | | Nov 6, 2022 | Riyadh (KSA) |
| 483 | Alex Haydock-Wilson | | 45.08 | | Jul 20, 2022 | Hayward Field, Eugene, OR (USA) |
| 483 | Javere Bell | | 45.08 | | Jun 23, 2013 | Kingston (JAM) |
| 483 | Michael Marsh | | 45.08 | | Jul 12, 1997 | Arnhem (NED) |
| 483 | Alessandro Sibilio |  | 45.08 | | Jun 18, 2022 | Stadio San Francesco d'Assisi, Nocera Inferiore (ITA) |
| 483 | Benny Brown | | 45.08 | | Jun 7, 1975 | Provo, UT (USA) |
| 483 | Mark Garner | | 45.08 | | Aug 26, 1991 | National Stadium, Tokyo (JPN) |
| 491 | Aldo Canti | | 45.09 | | Aug 22, 1984 | Zürich (SUI) |
| 491 | Dashawn Morris | | 45.09 | | Mar 24, 2018 | Kingston (JAM) |
| 491 | Josephus Lyles | | 45.09 | | May 12, 2018 | Clermont, FL (USA) |
| 491 | Kelvin Sane Tauta | | 45.09 | | May 22, 2024 | Nyayo National Stadium, Nairobi (KEN) |
| 491 | Brycen Spratling | | 45.09 | | May 30, 2014 | Jacksonville, FL (USA) |
| 491 | Hugo Sousa | | 45.09 | | Mar 14, 2014 | Santiago de Chile (CHI) |
| 491 | Vladislav Frolov | | 45.09 | | Aug 9, 2006 | Ullevi Stadium, Göteborg (SWE) |
| 491 | Gustavo Cuesta | | 45.09 | | Aug 7, 2015 | San José (CRC) |
| 491 | Jarryd Dunn | | 45.09 | | Jun 20, 2015 | Olympic Stadium, Cheboksary (RUS) |
| 500 | Onkabetse Nkobolo | | 45.10 | | Sep 14, 2015 | Brazzaville (CGO) |
