| 598 | Undine Bremer |  | 51.40 | | 28 may 1983 | Jena (GDR) |
| 598 | Olga Moroz |  | 51.40 | | 8 jun 1996 | Kyiv (UKR) |
| 598 | Natalya Sharova |  | 51.40 | | 30 jul 1999 | Tula (RUS) |
| 598 | Julian Reynolds-Clay |  | 51.40 | | 11 jun 2005 | New York, NY (USA) |
| 598 | Sanaria Butler | | 51.40 | | 16 may 2025 | Un. of Kentucky Outdoor Track Facility, Lexington, KY (USA) |
| 606 | Marina Maslenko |  | 51.41 | | 26 jun 2008 | Korat (THA) |
| 606 | Muriel Hurtis |  | 51.41 | | 20 jul 2010 | Castres (FRA) |
| 606 | Claudia Marx | | 51.41 | | 30 jun 2001 | Stuttgart (GER) |
| 606 | Sandra Douglas |  | 51.41 | | 2 ago 1992 | Estadio Olímpico, Barcelona (ESP) |
| 606 | Wendy Watson | | 51.41 | | 2 jun 1990 | Durham, NC (USA) |
| 606 | Malena Andonova |  | 51.41 | | 1 ago 1987 | Stara Zagora (BUL) |
| 612 | Tamsyn Manou |  | 51.42 | | 20 mar 2009 | Brisbane (AUS) |
| 612 | Solen Desert | | 51.42 | | 4 ago 2007 | Niort (FRA) |
| 612 | Debbie-Ann Parris-Thymes |  | 51.42 | | 14 abr 2001 | Baton Rouge, LA (USA) |
| 612 | Marlie Viljoen |  | 51.42 | | 15 mar 2025 | Pilditch Stadium, Pretoria (RSA) |
| 612 | Marika Popowicz-Drapała |  | 51.42 | | 28 jun 2024 | Zdzisław Krzyszkowiak Stadium, Bydgoszcz (POL) |
| 612 | Madeline Price |  | 51.42 | | 4 jun 2024 | Alumni Stadium, Guelph (CAN) |
| 612 | Nadezhda Kotlyarova | | 51.42 | | 24 ago 2015 | National Stadium, Beijing (CHN) |
| 612 | Kiara Porter | | 51.42 | | 29 may 2015 | Jacksonville, FL (USA) |
| 612 | Yulanda Nelson | | 51.42 | | 24 abr 1999 | Des Moines, IA (USA) |
| 621 | Hanna Reishal |  | 51.43 | | 12 jun 2012 | Minsk (BLR) |
| 621 | Marsha Dawkins | | 51.43 | | 14 jun 2003 | Sacramento, CA (USA) |
| 621 | Yana Manuylova | | 51.43 | | 8 jun 1996 | Kyiv (UKR) |
| 621 | Donna Hartley | | 51.43 | | 23 ago 1978 | London (GBR) |
| 621 | Natalya Sokolova | | 51.43 | | 24 jun 1976 | Kiev (URS) |
| 621 | Taiya Shelby | | 51.43 | | 12 may 2023 | LSU Bernie Moore Stadium, Baton Rouge, LA (USA) |
| 621 | Ruth Sophia Spelmeyer | | 51.43 | | 13 ago 2016 | Estádio Olímpico, Rio de Janeiro (BRA) |
| 628 | Maya Singletary | | 51.44 | | 6 jul 2023 | Hayward Field, Eugene, OR (USA) |
| 628 | Genet Lire |  | 51.44 | | 13 jun 2014 | Addis Abeba (ETH) |
| 628 | Yelena Andreyeva | | 51.44 | | 7 jun 1996 | Moskva (RUS) |
| 628 | Marzena Wojdecka | | 51.44 | | 28 jun 1986 | Grudziadz (POL) |
| 628 | Beth Nail | | 51.44 | | 26 jul 1976 | Olympic Stadium, Montréal (CAN) |
| 633 | Kim Gevaert |  | 51.45 | | 8 may 2005 | Gent (BEL) |
| 633 | Eilidh Doyle | | 51.45 | | - | - |
| 633 | Mariya Mikhailyuk | | 51.45 | | 2 jun 2015 | Moskva (RUS) |
| 633 | Birgit Rockmeier | | 51.45 | | 8 jul 2000 | Dortmund (GER) |
| 633 | Nadia Graham-Hutchins | | 51.45 | | 18 may 1997 | Auburn, AL (USA) |
| 633 | Sally Gunnell | | 51.45 | | 30 jun 1996 | Gateshead (GBR) |
| 633 | Alice Jackson | | 51.45 | | 6 may 1989 | Kingston (JAM) |
| 633 | Terri Dendy | | 51.45 | | 21 ago 1988 | Köln (GER) |
| 641 | Ashlee Kidd | | 51.46 | | 26 may 2007 | Gainesville, FL (USA) |
| 641 | Jasmine Blocker | | 51.46 | | 22 jun 2018 | Drake Stadium, Des Moines, IA (USA) |
| 641 | Rafiatu Nuhu |  | 51.46 | | 15 may 2025 | Gowans Stadium, Hutchinson, KS (USA) |
| 644 | Fabienne Feraez |  | 51.47 | | 14 jul 2006 | Stadio Olimpico, Roma (ITA) |
| 644 | LaVerne Jones-Ferrette |  | 51.47 | | 21 abr 2007 | Lawrence, KS (USA) |
| 644 | Otilia Ruicu |  | 51.47 | | 30 jun 2001 | Funchal (POR) |
| 644 | Jaydan Wood | | 51.47 | | 29 may 2025 | Cushing Stadium, College Station, TX (USA) |
| 644 | Mette Baas |  | 51.47 | | 27 jun 2025 | Estadio Vallehermoso, Madrid (ESP) |
| 644 | Natalya Bochina | | 51.47 | | 25 jul 1981 | Leningrad (URS) |
| 644 | Moya Thompson | | 51.47 | | 13 may 2006 | Atlanta, GA (USA) |
