The women's 100 metres T12 event at the 2024 Summer Paralympics in Paris, took place between 4 and 5 September 2024.

The T12 classification is for visually impaired athletes with a LogMAR range from 1.50-2.60, and/or a maximum visual acuity range of 10 degrees.

Athletes may choose to run with a guide.

[1][2] Prior to the competition, the existing records were as follows:[3] All heats took place on 4 September 2024 with the first in each heat (Q) and the next 4 fastest (q) advancing to the semi-finals[4] The semi-finals took place on 5 September 2024 with the first in each heat (Q) and the next 2 fastest (q) advancing to the Final.

[9] The final took place on 5 September 2024: