== Resultater ==
=== Indledende heat ===
<ref>{{Cite web|title=Women's 50m Freestyle – Heats|url=http://www.london2012.com/swimming/event/women-50m-freestyle/phase=sww010900/index.html|accessdate=27. juli 2012|archiveurl=https://archive.today/20121210070158/http://www.london2012.com/swimming/event/women-50m-freestyle/phase=sww010900/index.html|archivedate=10. december 2012|url-status=live}}</ref>
{| class="wikitable sortable" style="text-align:center"
|-
! Placering !! Heat !! Bane !! Svømmer !! Nationalitet !! Tid !! Kommentarer
|-bgcolor=#ccffcc
| 1 || 10 || 4 || align=left|[[Ranomi Kromowidjojo]] || align=left|{{flag|NED|2012|Sommer}} ||24.51 ||Q
|-bgcolor=#ccffcc
| 2 || 10 || 5 || align=left|[[Marleen Veldhuis]] || align=left|{{flag|NED|2012|Sommer}} ||24.57 ||Q
|-bgcolor=#ccffcc
| 3 || 9 || 4 || align=left|[[Francesca Halsall]] || align=left|{{flag|GBR|2012|Sommer}} ||24.61 ||Q
|-bgcolor=#ccffcc
| 4 || 9 || 5 || align=left|[[Britta Steffen]] || align=left|{{flag|GER|2012|Sommer}} ||24.70 ||Q
|-bgcolor=#ccffcc
| 5 || 9 || 3 || align=left|[[Aliaksandra Herasimenia]] || align=left|{{flag|BLR|2012|Sommer}} ||24.76 ||Q
|-bgcolor=#ccffcc
| 6 || 8 || 4 || align=left|[[Therese Alshammar]] || align=left|{{flag|SWE|2012|Sommer}} ||24.77 ||Q
|-bgcolor=#ccffcc
| 7 || 10 || 2 || align=left|[[Arianna Vanderpool-Wallace]] || align=left|{{flag|BAH|2012|Sommer}} ||24.85 ||Q
|-bgcolor=#ccffcc
| 7 || 10 || 6 || align=left|[[Jeanette Ottesen]] || align=left|{{flag|DEN|2012|Sommer}} ||24.85 ||Q
|-bgcolor=#ccffcc
| 9 || 8 || 3 || align=left|[[Bronte Campbell]] || align=left|{{flag|AUS|2012|Sommer}} ||24.87 ||Q
|-bgcolor=#ccffcc
| 10 || 8 || 5 || align=left|[[Cate Campbell]] || align=left|{{flag|AUS|2012|Sommer}} ||24.94 ||Q
|-bgcolor=#ccffcc
| 10 || 9 || 6 || align=left|[[Sarah Sjöström]] || align=left|{{flag|SWE|2012|Sommer}} ||24.94 ||Q
|-bgcolor=#ccffcc
| 12 || 10 || 3 || align=left|[[Jessica Hardy]] || align=left|{{flag|USA|2012|Sommer}} ||24.99 ||Q
|-bgcolor=#ccffcc
| 13 || 8 || 7 || align=left|[[Theodora Drakou]] || align=left|{{flag|GRE|2012|Sommer}} ||25.13 ||Q
|-bgcolor=#ccffcc
| 14 || 9 || 7 || align=left|[[Victoria Poon]] || align=left|{{flag|CAN|2012|Sommer}} ||25.15 ||Q
|-bgcolor=#ccffcc
| 15 || 9 || 8 || align=left|[[Anna Santamans]] || align=left|{{flag|FRA|2012|Sommer}} ||25.23 ||Q
|-bgcolor=#fffcb7
| =16 || 7 || 6 || align=left|[[Sarah Blake Bateman]] || align=left|{{flag|ISL|2012|Sommer}} ||25.28 ||Om svømning
|-bgcolor=#fffcb7
| =16 || 8 || 6 || align=left|[[Kara Lynn Joyce]] || align=left|{{flag|USA|2012|Sommer}} ||25.28 ||Om svømning
|-bgcolor=#fffcb7
| =16 || 9 || 2 || align=left|[[Amy Smith (swimmer)|Amy Smith]] || align=left|{{flag|GBR|2012|Sommer}} ||25.28 ||Om svømning
|-
| 19 || 10 || 7 || align=left|[[Triin Aljand]] || align=left|{{flag|EST|2012|Sommer}} ||25.33 ||
|-
| 20 || 10 || 1 || align=left|[[Sviatlana Khakhlova]] || align=left|{{flag|BLR|2012|Sommer}} ||25.36 ||
|-
| 21 || 8 || 2 || align=left|[[Nery Niangkouara]] || align=left|{{flag|GRE|2012|Sommer}} ||25.40 ||
|-
| 22 || 8 || 1 || align=left|[[Graciele Herrmann]] || align=left|{{flag|BRA|2012|Sommer}} ||25.44 ||
|-
| 23 || 7 || 2 || align=left|[[Hayley Palmer]] || align=left|{{flag|NZL|2012|Sommer}} ||25.47 ||
|-
| 24 || 6 || 3 || align=left|[[Zhu Qianwei]] || align=left|{{flag|CHN|2012|Sommer}} ||25.54 ||
|-
| 24 || 9 || 1 || align=left|[[Pernille Blume]] || align=left|{{flag|DEN|2012|Sommer}} ||25.54 ||
|-
| 26 || 5 || 4 || align=left|[[Ruta Meilutyte]] || align=left|{{flag|LTU|2012|Sommer}} ||25.55 || '''NR'''
|-
| 26 || 6 || 5 || align=left|[[Hanna-Maria Seppala]] || align=left|{{flag|FIN|2012|Sommer}} ||25.55 ||
|-
| 28 || 7 || 4 || align=left|[[Arlene Semeco]] || align=left|{{flag|VEN|2012|Sommer}} ||25.56 ||
|-
| 29 || 7 || 7 || align=left|[[Vanessa Garcia]] || align=left|{{flag|PUR|2012|Sommer}} ||25.58 ||
|-
| 30 || 7 || 3 || align=left|[[Anna Dowgiert]] || align=left|{{flag|POL|2012|Sommer}} ||25.59 ||
|-
| 31 || 7 || 8 || align=left|[[Jolien Sysmans]] || align=left|{{flag|BEL|2012|Sommer}} ||25.60 ||
|-
| 32 || 6 || 6 || align=left|[[Erika Ferraioli]] || align=left|{{flag|ITA|2012|Sommer}} ||25.69 ||
|-
| 33 || 10 || 8 || align=left|[[Darya Stepanyuk]] || align=left|{{flag|UKR|2012|Sommer}} ||25.70 ||
|-
| 34 || 7 || 5 || align=left|[[Burcu Dolunay]] || align=left|{{flag|TUR|2012|Sommer}} || 25.72 ||
|-
| 35 || 8 || 8 || align=left|[[Yayoi Matsumoto]] || align=left|{{flag|JPN|2012|Sommer}} ||25.73 ||
|-
| 36 || 7 || 1 || align=left|[[Trudi Maree]] || align=left|{{flag|RSA|2012|Sommer}} ||25.78 ||
|-
| 37 || 6 || 8 || align=left|[[Alia Atkinson]] || align=left|{{flag|JAM|2012|Sommer}} ||25.98 ||
|-
| 38 || 6 || 2 || align=left|[[Miroslava Syllabová]] || align=left|{{flag|SVK|2012|Sommer}} ||26.07 ||
|-
| 39 || 5 || 3 || align=left|[[Gabriela Nikitina]] || align=left|{{flag|LAT|2012|Sommer}} ||26.26 ||
|-
| 40 || 5 || 5 || align=left|[[Chinyere Pigot]] || align=left|{{flag|SUR|2012|Sommer}} ||26.30 ||
|-
| 41 || 6 || 1 || align=left|[[Farida Osman]] || align=left|{{flag|EGY|2012|Sommer}} ||26.34 ||
|-
| 42 || 6 || 7 || align=left|[[Miroslava Najdanovski]] || align=left|{{flag|SRB|2012|Sommer}} ||26.46 ||
|-
| 43 || 5 || 6 || align=left|[[Nicola Muscat]] || align=left|{{flag|MLT|2012|Sommer}} ||27.22 ||
|-
| 44 || 5 || 2 || align=left|[[Jessica Teixeira Vieira]] || align=left|{{flag|MOZ|2012|Sommer}} ||27.39 ||
|-
| 45 || 5 || 7 || align=left|[[Talita Baqlah]] || align=left|{{flag|JOR|2012|Sommer}} ||27.45 ||
|-
| 46 || 4 || 2 || align=left|[[Joyce Tafathata]] || align=left|{{flag|MAW|2012|Sommer}} ||27.74 ||
|-
| 47 || 4 || 5 || align=left|[[Judith Meauri]] || align=left|{{flag|PNG|2012|Sommer}} ||27.84 ||
|-
| 48 || 5 || 1 || align=left|[[Faye Sultan]] || align=left|{{flag|KUW|2012|Sommer}} ||27.92 ||
|-
| 49 || 4 || 4 || align=left|[[Ann-Marie Hepler]] || align=left|{{flag|MHL|2012|Sommer}} ||28.06 ||
|-
| 50 || 4 || 3 || align=left|[[Keesha Keane]] || align=left|{{flag|PLW|2012|Sommer}} ||28.25 ||
|-
| 51 || 4 || 6 || align=left|[[Sabine Hazboun]] || align=left|{{flag|PLE|2012|Sommer}} ||28.28 ||
|-
| 52 || 5 || 8 || align=left|[[Jamila Lunkuse]] || align=left|{{flag|UGA|2012|Sommer}} ||28.44 ||
|-
| 53 || 4 || 8 || align=left|[[Antoinette Guedia]] || align=left|{{flag|CMR|2012|Sommer}} ||29.28 ||
|-
| 54 || 4 || 7 || align=left|[[Celeste Brown]] || align=left|{{flag|COK|2012|Sommer}} ||29.36 ||
|-
| 55 || 3 || 3 || align=left|[[Karin O'Reilly Clashing]] || align=left|{{flag|ANT|2012|Sommer}} ||30.01 ||
|-
| 56 || 3 || 6 || align=left|[[Vitiny Hemthon]] || align=left|{{flag|CAM|2012|Sommer}} ||30.44 ||
|-
| 57 || 3 || 5 || align=left|[[Alphonsine Agahozo]] || align=left|{{flag|RWA|2012|Sommer}} ||30.72 ||
|-
| 58 || 3 || 2 || align=left|[[Nada Arkaji]] || align=left|{{flag|QAT|2012|Sommer}} ||30.89 ||
|-
| 59 || 3 || 4 || align=left|[[Katerina Izmaylova]] || align=left|{{flag|TJK|2012|Sommer}} ||31.27 ||
|-
| 60 || 4 || 1 || align=left|[[Mariana Henriques]] || align=left|{{flag|ANG|2012|Sommer}} ||31.36 ||
|-
| 61 || 3 || 7 || align=left|[[Fatoumata Samassekou]] || align=left|{{flag|MLI|2012|Sommer}} ||31.88 ||
|-
| 62 || 2 || 4 || align=left|[[Angelika Ouedraogo]] || align=left|{{flag|BUR|2012|Sommer}} ||32.19 ||
|-
| 63 || 3 || 8 || align=left|[[Aminath Shajan]] || align=left|{{flag|MDV|2012|Sommer}} ||32.23 ||
|-
| 64 || 3 || 1 || align=left|[[Yanet Seyoum]] || align=left|{{flag|ETH|2012|Sommer}} ||32.41 ||
|-
| 65 || 2 || 3 || align=left|[[Assita Toure]] || align=left|{{flag|CIV|2012|Sommer}} ||33.09 ||
|-
| 66 || 2 || 6 || align=left|[[Elsie Uwamahoro]] || align=left|{{flag|BDI|2012|Sommer}} ||33.14 ||
|-
| 66 || 2 || 2 || align=left|[[Aminata Aboubakar Yacoub]] || align=left|{{flag|CGO|2012|Sommer}} ||33.14 ||
|-
| 68 || 2 || 5 || align=left|[[Sara Al Flaij|Sara Alflaij]] || align=left|{{flag|BRN|2012|Sommer}} ||33.81 ||
|-
| 69 || 2 || 7 || align=left|[[Mhasin Fadlalla]] || align=left|{{flag|SUD|2012|Sommer}} ||35.07 ||
|-
| 70 || 1 || 4 || align=left|[[Nafissatou Moussa Adamou]] || align=left|{{flag|NIG|2012|Sommer}} ||37.29 ||
|-
| 71 || 1 || 5 || align=left|[[Adzo Kpossi]] || align=left|{{flag|TOG|2012|Sommer}} ||37.55 ||
|-
| 72 || 1 || 3 || align=left|[[Masempe Theko]] || align=left|{{flag|LES|2012|Sommer}} ||42.35 ||
|-
| {{n/a}}|| 6 || 4 || align=left|[[Eszter Dara]] || align=left|{{flag|HUN|2012|Sommer}} ||{{n/a}} || Startet ikke
|}
Sport