Swimming at the 2015 World Aquatics Championships – Women's 100 metre freestyle
The Women's 100 metre freestyle competition of the swimming events at the 2015 World Aquatics Championships was held on 6 August with the heats and the semifinals and 7 August with the final.
Records
Prior to the competition, the existing world and championship records were as follows.Results
Heats
The heats were held at 09:30.| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 9 | 4 | Sarah Sjöström | 53.22 | Q | |
| 1 | 10 | 4 | Cate Campbell | 53.22 | Q | |
| 3 | 10 | 5 | Bronte Campbell | 53.50 | Q | |
| 4 | 10 | 3 | Ranomi Kromowidjojo | 53.85 | Q | |
| 5 | 8 | 4 | Femke Heemskerk | 53.89 | Q | |
| 6 | 8 | 3 | Shen Duo | 53.93 | Q | |
| 7 | 9 | 5 | Simone Manuel | 53.99 | Q | |
| 8 | 10 | 6 | Charlotte Bonnet | 54.01 | Q | |
| 9 | 9 | 3 | Michelle Coleman | 54.10 | Q | |
| 10 | 8 | 5 | Missy Franklin | 54.22 | Q | |
| 10 | 8 | 2 | Miki Uchida | 54.22 | Q | |
| 12 | 9 | 8 | Zhu Menghui | 54.41 | Q | |
| 13 | 10 | 1 | Chantal van Landeghem | 54.54 | Q | |
| 14 | 9 | 2 | Nataliya Lovtsova | 54.68 | Q | |
| 15 | 10 | 2 | Pernille Blume | 54.72 | Q | |
| 16 | 9 | 7 | Aliaksandra Herasimenia | 54.90 | Q | |
| 16 | 9 | 6 | Veronika Popova | 54.90 | ||
| 18 | 8 | 8 | Siobhan Haughey | 54.95 | ||
| 19 | 10 | 0 | Larissa Oliveira | 55.02 | ||
| 20 | 10 | 7 | Michelle Williams | 55.08 | ||
| 21 | 8 | 6 | Beryl Gastaldello | 55.11 | ||
| 22 | 8 | 7 | Erika Ferraioli | 55.12 | ||
| 23 | 10 | 9 | Nina Rangelova | 55.22 | ||
| 24 | 9 | 9 | Katarzyna Wilk | 55.24 | ||
| 25 | 6 | 5 | Anna Kolářová | 55.26 | ||
| 26 | 7 | 7 | Farida Osman | 55.46 | ||
| 27 | 7 | 6 | Cecilie Johannessen | 55.51 | ||
| 28 | 7 | 4 | Julie Meynen | 55.54 | ||
| 29 | 7 | 0 | Miroslava Syllabová | 55.60 | ||
| 30 | 7 | 3 | Hanna-Maria Seppälä | 55.65 | ||
| 31 | 7 | 2 | Kimberly Buys | 55.66 | ||
| 32 | 9 | 1 | Yayoi Matsumoto | 55.71 | ||
| 33 | 8 | 0 | Annika Bruhn | 55.75 | ||
| 34 | 9 | 0 | Graciele Herrmann | 55.80 | ||
| 35 | 6 | 2 | Anastasia Bogdanovski | 56.12 | ||
| 36 | 7 | 1 | Nastja Govejšek | 56.19 | ||
| 37 | 7 | 8 | Sasha Touretski | 56.20 | ||
| 38 | 8 | 9 | Theodora Giareni | 56.24 | ||
| 39 | 6 | 6 | Jasmine Al-Khaldi | 56.40 | ||
| 39 | 7 | 5 | Birgit Koschischek | 56.40 | ||
| 41 | 7 | 9 | Isabella Arcila | 56.41 | ||
| 42 | 6 | 8 | Ekaterina Avramova | 56.51 | ||
| 43 | 5 | 4 | Zohar Shikler | 56.84 | ||
| 43 | 6 | 4 | Quah Ting Wen | 56.84 | ||
| 45 | 6 | 3 | Bryndis Hansen | 56.87 | ||
| 46 | 6 | 1 | Natthanan Junkrajang | 56.95 | ||
| 47 | 6 | 7 | Miroslava Najdanovski | 57.34 | ||
| 48 | 5 | 3 | Chinyere Pigot | 57.36 | ||
| 49 | 6 | 0 | Elisbet Gámez | 57.52 | ||
| 50 | 5 | 9 | Bayan Jumah | 57.81 | ||
| 51 | 5 | 1 | Tracy Keith-Matchitt | 57.85 | ||
| 52 | 6 | 9 | Tess Grossmann | 57.91 | ||
| 53 | 5 | 5 | Karen Torrez | 57.93 | ||
| 54 | 5 | 6 | Ariel Weech | 58.07 | ||
| 55 | 4 | 4 | Matelita Buadromo | 58.53 | ||
| 56 | 5 | 2 | Chrysoula Karamanou | 58.65 | ||
| 57 | 5 | 0 | Rebecca Heyliger | 58.71 | ||
| 58 | 3 | 6 | Jade Howard | 58.74 | ||
| 59 | 4 | 5 | Shivani Kataria | 58.76 | ||
| 59 | 5 | 7 | Allyson Ponson | 58.76 | ||
| 61 | 4 | 0 | Mónica Ramírez | 58.85 | ||
| 62 | 4 | 1 | Karen Riveros | 58.95 | ||
| 63 | 4 | 2 | Dorian McMenemy | 59.37 | ||
| 64 | 4 | 6 | Machiko Raheem | FINA Independent Athletes | 59.50 | |
| 65 | 3 | 4 | Beatrice Felici | 59.51 | ||
| 66 | 4 | 9 | Naomi Ruele | 59.62 | ||
| 67 | 4 | 3 | Faye Sultan | 59.66 | ||
| 68 | 4 | 8 | Jovana Terzić | 59.78 | ||
| 69 | 4 | 7 | Nicola Muscat | |||
| 70 | 3 | 0 | Emily Muteti | |||
| 71 | 3 | 5 | Sofia Usher | |||
| 72 | 3 | 2 | Elinah Phillip | |||
| 73 | 3 | 3 | Rahaf Baqleh | |||
| 74 | 5 | 8 | Monika Vasilyan | |||
| 75 | 3 | 8 | Jennifer Rizkallah | |||
| 76 | 3 | 1 | Tiara Anwar | |||
| 77 | 3 | 9 | Samantha Roberts | |||
| 78 | 2 | 4 | Fatima Alkaramova | |||
| 78 | 3 | 7 | Long Chi Wai | |||
| 80 | 2 | 3 | Nikol Merizaj | |||
| 81 | 2 | 6 | Gaurika Singh | |||
| 82 | 2 | 5 | Enkhkhuslen Batbayar | |||
| 83 | 2 | 7 | Colleen Furgeson | |||
| 84 | 2 | 8 | Charissa Panuve | |||
| 85 | 2 | 2 | Merjen Saryyeva | |||
| 86 | 1 | 5 | Magdalena Moshi | |||
| 87 | 2 | 9 | Zahra Pinto | |||
| 88 | 2 | 1 | Aminath Shajan | |||
| 89 | 2 | 0 | Karina Klimyk | |||
| 90 | 1 | 4 | Elsie Uwamahoro | |||
| 1 | 3 | Teona Bostashvili | DNS | |||
| 8 | 1 | Federica Pellegrini | DNS | |||
| 10 | 8 | Katinka Hosszú | DNS |
Semifinals
The semifinals were held at 17:32.Semifinal 1
Semifinal 2
Final
The final was held on 7 August at 17:32.| Rank | Lane | Name | Nationality | Time | Notes |
| 3 | Bronte Campbell | 52.52 | |||
| 4 | Sarah Sjöström | 52.70 | |||
| 5 | Cate Campbell | 52.82 | |||
| 4 | 2 | Ranomi Kromowidjojo | 53.17 | ||
| 5 | 6 | Femke Heemskerk | 53.58 | ||
| 6 | 7 | Simone Manuel | 53.93 | ||
| 7 | 8 | Missy Franklin | 54.00 | ||
| 8 | 1 | Shen Duo | 54.76 |