The women's time trial class C4 road cycling event at the 2020 Summer Paralympics took place on 31 August 2021 at Fuji Speedway, Japan. 8 riders from 6 nations competed in this event. The C4 classification is for cyclists with mild hemiplegic or diplegic spasticity; mild athetosis or ataxia; unilateral below knee or bilateral below elbow amputation, etcetera.