| 592 | Haron Adoli |  | 45.21 | | May 31, 2025 | Ulinzi Sports Complex, Langata, Nairobi (KEN) |
| 592 | Ryan Zeze |  | 45.21 | | May 3, 2025 | Ansin Sports Complex, Miramar, FL (USA) |
| 603 | Anderson Mureta Mutegi |  | 45.22 | | May 28, 2010 | Austin, TX (USA) |
| 603 | Brady Gehret |  | 45.22 | | Jun 23, 2012 | Hayward Field, Eugene, OR (USA) |
| 603 | Akeem Alexander | | 45.22 | | Jun 27, 2014 | Sacramento, CA (USA) |
| 603 | Alexander Lerionka Sampao | | 45.22 | | Jul 11, 2015 | Nairobi (KEN) |
| 603 | Devin Dixon | | 45.22 | | Apr 21, 2018 | Waco, TX (USA) |
| 603 | Simbarashe Maketa |  | 45.22 | | May 13, 2023 | John Jacobs Track Complex, Norman, OK (USA) |
| 603 | Malik James-King |  | 45.22 | | Jul 8, 2023 | National Stadium, Kingston (JAM) |
| 603 | Logan Popelka | | 45.22 | | Jun 21, 2024 | Hayward Field, Eugene, OR (USA) |
| 603 | Maurice Peoples | | 45.22 | | Jun 10, 1978 | Westwood, CA (USA) |
| 603 | Brian Whittle |  | 45.22 | | Sep 25, 1988 | Olympic Stadium, Seoul (KOR) |
| 603 | Gabriel Luke | | 45.22 | | Jun 15, 1991 | New York, NY (USA) |
| 603 | Wes Russell | | 45.22 | | May 9, 1993 | Columbus, OH (USA) |
| 603 | Kedar Inico | | 45.22 | | Jun 10, 2005 | Sacramento, CA (USA) |
| 603 | Wallace Spearmon | | 45.22 | | Jul 8, 2006 | Stade de France, Paris-St-Denis (FRA) |
| 617 | Willington Wright | | 45.23 | | May 27, 2022 | John McDonnell Field, Fayetteville, AR (USA) |
| 617 | Brian Herron | | 45.23 | | Feb 23, 2024 | Sports Performance Center, Lubbock, TX (USA) (i) |
| 617 | Samson Oghenewegba Nathaniel |  | 45.23 | | Jun 3, 2017 | Abuja (NGR) |
| 617 | Tyrese Cooper | | 45.23 | | Aug 6, 2016 | Humble, TX (USA) |
| 617 | Philip Osei |  | 45.23 | | Aug 7, 2015 | San José (CRC) |
| 617 | James Harris | | 45.23 | | Jun 5, 2013 | Eugene, OR (USA) |
| 617 | Tony Allen | | 45.23 | | May 2, 1987 | Kingston (JAM) |
| 617 | Luke Lennon-Ford | | 45.23 | | Jun 2, 2012 | Genève (SUI) |
| 617 | Erick Sánchez |  | 45.23 | | Jun 28, 2024 | Pista de Atletismo Felix Sanchez, Santo Domingo (DOM) |
| 617 | Anthony East | | 45.23 | | May 28, 2025 | Cushing Stadium, College Station, TX (USA) |
| 617 | Nathan Kent | | 45.23 | | May 30, 2025 | University of North Florda Jax Track at Hodges Stadium, Jacksonville, FL (USA) |
| 628 | Marqueze Washington | | 45.24 | | Feb 9, 2018 | Fayetteville, AR (USA) (i) |
| 628 | Darrell Hadden | | 45.24 | | Apr 16, 1988 | San Angelo, TX (USA) |
| 628 | Mark Hylton | | 45.24 | | Aug 12, 1998 | Zürich (SUI) |
| 628 | Juan Pedro Toledo |  | 45.24 | | Jul 2, 2000 | Ciudad de México (MEX) |
| 628 | Fernada Blakely | | 45.24 | | May 12, 2007 | Atlanta, GA (USA) |
| 628 | Jamil Hubbard | | 45.24 | | May 18, 2008 | Auburn, AL (USA) |
| 628 | O'Neal Wilder | | 45.24 | | May 16, 2010 | Knoxville, TN (USA) |
| 628 | Allodin Fothergill | | 45.24 | | Jul 26, 2010 | Mayagüez (PUR) |
| 628 | Kacper Kozłowski |  | 45.24 | | Jul 28, 2010 | Estadio Olímpico, Barcelona (ESP) |
| 628 | Stan Vinson | | 45.24 | | Jun 21, 1975 | Eugene, OR (USA) |
| 628 | Abdou Aziz Ndiaye |  | 45.24 | | Jun 22, 2025 | Stade d'Athletisme Pierre Voillequin, Troyes (FRA) |
| 628 | Eli Hazlett | | 45.24 | | Apr 30, 2025 | Clarence F. Robison Track, Provo, UT (USA) |
| 628 | Josh Page | | 45.24 | | May 23, 2024 | Emporia St. Francis G. Welch Stadium, Emporia, KS (USA) |
| 628 | Chantz Sawyers | | 45.24 | | Jun 7, 2019 | Austin, TX (USA) |
| 642 | Diego Palomeque |  | 45.25 | | Apr 30, 2016 | Medellín (COL) |
| 642 | Tommie Smith | | 45.25 | | Aug 20, 1966 | London (GBR) |
| 642 | Rohan Pradeep Kumara |  | 45.25 | | Jul 15, 2000 | Colombo (SRI) |
| 642 | Zizhou Xu |  | 45.25 | | May 24, 2001 | Osaka (JPN) |
| 642 | Claudio Licciardello |  | 45.25 | | Aug 18, 2008 | National Stadium, Beijing (CHN) |
| 642 | Hederson Estefani |  | 45.25 | | Jun 29, 2012 | São Paulo (BRA) |
| 642 | Errol Nolan | | 45.25 | | Jul 1, 2012 | Kingston (JAM) |
| 642 | Clayton Parros | | 45.25 | | Jun 26, 2015 | Hayward Field, Eugene, OR (USA) |
| 642 | Lucas Búa |  | 45.25 | | Jun 8, 2018 | Huelva (ESP) |
