The women's 200 metres T12 event at the 2020 Summer Paralympics in Tokyo took place between 3 and 4 September 2021.

The T12 category is for athletes with visual impairment.

Athletes in this category will generally have some residual sight, the ability to recognise the shape of a hand at a distance of 2 metres and the ability to perceive clearly will be no more than 2/60.

T12 athletes commonly run with guides.

Prior to the competition, the existing records were as follows:[1] Heat 1 took place on 3 September 2021, at 19:50:[2] Heat 2 took place on 3 September 2021, at 19:57:[3] Heat 3 took place on 3 September 2021, at 20:04:[4] The final took place on 4 September, at 19:39:[5]