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