| 351 | Lada Vondrová |  | 50.92 | | Aug 20, 2023 | Nemzeti Atlétikai Központ, Budapest (HUN) |
| 351 | LaDonna Antoine |  | 50.92 | | Sep 23, 2000 | Olympic Stadium, Sydney (AUS) |
| 351 | Pahal Kiran |  | 50.92 | | Jun 27, 2024 | Tau Devi Lal Stadium, Panchkula (IND) |
| 351 | Margit Sinzel |  | 50.92 | | Jul 10, 1976 | Berlin (GER) |
| 355 | Tatyana Ledovskaya |  | 50.93 | | - | - |
| 355 | Stephanie Smith |  | 50.93 | | Jun 11, 2005 | Sacramento, CA (USA) |
| 355 | Olena Rurak |  | 50.93 | | May 18, 1996 | Kyiv (UKR) |
| 355 | Lorraine Hanson |  | 50.93 | | Aug 26, 1991 | National Stadium, Tokyo (JPN) |
| 355 | Leni Shida |  | 50.93 | | May 31, 2025 | Ulinzi Sports Complex, Langata, Nairobi (KEN) |
| 360 | Viktoriya Fomenko | | 50.94 | | May 18, 1996 | Kyiv (UKR) |
| 360 | Alexe Deau |  | 50.94 | | Jul 19, 2025 | Fana Stadion, Bergen (NOR) |
| 360 | Kamaria Brown | | 50.94 | | - | - |
| 360 | Anna Kozak |  | 50.94 | | Jun 1, 1996 | Estadio de la Comunidad, Madrid (ESP) |
| 364 | Shaquena Foote |  | 50.95 | | May 29, 2025 | Cushing Stadium, College Station, TX (USA) |
| 364 | Eveline Saalberg |  | 50.95 | | Jul 14, 2024 | Stade de La Charrière, La Chaux-de-Fonds (SUI) |
| 364 | Idalmis Bonne |  | 50.95 | | Jul 16, 1995 | Ciudad de Guatemala (GUA) |
| 367 | Nadezhda Olizarenko | | 50.96 | | Jul 12, 1980 | Moskva (URS) |
| 367 | Nicole Yeargin | | 50.96 | | Jun 10, 2021 | Hayward Field, Eugene, OR (USA) |
| 367 | Michaela Mouton | | 50.96 | | May 25, 2024 | John McDonnell Field, Fayetteville, AR (USA) |
| 370 | Marie Gayot | | 50.97 | | Aug 25, 2015 | National Stadium, Beijing (CHN) |
| 370 | Mimmie Snyman |  | 50.97 | | Mar 17, 1982 | Germiston (RSA) |
| 372 | Jelica Pavličić |  | 50.98 | | Aug 3, 1974 | Sofia (BUL) |
| 372 | Marina Sidorova | | 50.98 | | Jul 27, 1977 | Moskva (URS) |
| 372 | Chloe Abbott | | 50.98 | | Jun 8, 2019 | Austin, TX (USA) |
| 372 | Indira Terrero | | 50.98 | | - | - |
| 372 | Linda Keough-Staines | | 50.98 | | Aug 26, 1991 | National Stadium, Tokyo (JPN) |
| 372 | Jessica Mcdowell | | 50.98 | | Jun 6, 2024 | Hayward Field, Eugene, OR (USA) |
| 378 | Agnė Šerkšnienė |  | 50.99 | | Jul 1, 2018 | La Chaux-de-Fonds (SUI) |
| 379 | Olha Zemlyak | | 51.00 | | Sep 13, 2014 | Le Grand Stade, Marrakech (MAR) |
| 379 | Yulia Pechonkina | | 51.00 | | - | - |
| 379 | Nina Kravchenko | | 51.00 | | Aug 30, 1983 | Kiev (URS) |
| 382 | Tatyana Chebykina | | 51.01 | | Sep 1, 1995 | Fukuoka (JPN) |
| 382 | Yekaterina Renzhina | | 51.01 | | Jun 10, 2022 | Luzhniki Stadion, Moskva (RUS) |
| 382 | Yuliana Yushchanka | | 51.01 | | Aug 11, 2007 | Minsk (BLR) |
| 382 | Skyler Franklin | | 51.01 | | Jul 19, 2024 | Percy Beard Track, Gainesville, FL (USA) |
| 386 | Tiffany James | | 51.02 | | Jun 27, 2021 | National Stadium, Kingston (JAM) |
| 386 | Iga Baumgart-Witan |  | 51.02 | | Oct 1, 2019 | Khalifa International Stadium, Doha (QAT) |
| 386 | Linetta Wilson | | 51.02 | | Jun 17, 1996 | Atlanta, GA (USA) |
| 389 | Karimah Davis | | 51.03 | | Apr 19, 2025 | Percy Beard Track, Gainesville, FL (USA) |
| 389 | Kethlin Campbell | | 51.03 | | May 11, 2019 | Fayetteville, AR (USA) |
| 389 | Audrey Werro |  | 51.03 | | Aug 13, 2025 | Stade universitaire de St-Léonard, Fribourg (SUI) |
| 392 | Hortense Béwouda |  | 51.04 | | Jun 24, 2004 | Algiers (ALG) |
| 392 | Doris Jacob |  | 51.04 | | Jul 12, 1999 | Palma de Mallorca (ESP) |
| 392 | Zhanna Kashcheyeva | | 51.04 | | Aug 1, 2007 | Tula (RUS) |
| 392 | Lorna Forde |  | 51.04 | | Jun 10, 1978 | Westwood, CA (USA) |
| 392 | Kadecia Baird |  | 51.04 | | Jul 13, 2012 | Estadio Olímpico, Barcelona (ESP) |
| 397 | Damayanthi K.V. Darsha |  | 51.05 | | Aug 30, 2000 | Jakarta (INA) |
| 397 | Carline Muir | | 51.05 | | Jun 23, 2016 | Moratalaz, Madrid (ESP) |
| 397 | Briana Nelson | | 51.05 | | Jun 27, 2014 | Sacramento, CA (USA) |
| 397 | Shareese Woods | | 51.05 | | Jun 27, 2009 | Eugene, OR (USA) |
