The women's 100 metres at the 2011 IPC Athletics World Championships was held at the QEII Stadium from 22–26 January
| Class | width=200 bgcolor=gold | Gold | width=200 bgcolor=silver | Silver | width=200 bgcolor=CC9966 | Bronze |
| T11 | Terezinha Guilhermina | Jerusa Geber Santos | Wu Chunmiao | |||
| T12 | Elizabeth Clegg | Hanka Kolnikova | Eva Ngui | |||
| T13 | Ilse Hayes | Sanaa Benhama | Nantenin Keita | |||
| T34 | Hannah Cockroft | Haruka Kitaura | Kristen Messer | |||
| T35 | Liu Ping | Rachael Dodds | Sophia Warner | |||
| T36 | Elena Ivanova | Hazel Robson | Aygyul Sakhibzadaeva | |||
| T37 | Viktoriya Kravchenko | Maria Seifert | Katrina Hart | |||
| T38 | Inna Dyachenko | Margarita Koptilova | Sonia Mansour | |||
| T42 | Kelly Cartwright | Jana Schmidt | Vanessa Low | |||
| T44 | Marie-Amélie Le Fur | Katrin Green | April Holmes | |||
| T46 | Yunidis Castillo | Nikol Rodomakina | Carlee Beattie | |||
| T52 | Michelle Stilwell | Kerry Morgan | Teruyo Tanaka | |||
| T53 | Huang Lisha | Anjali Forber-Pratt | Zhou Hongzhuan | |||
| T54 | Hongjiao Dong | Liu Wenjun | Tatyana McFadden |