| Event: | Cycling, Women's road time trial H3 |
| Games: | 2012 Summer |
| Venue: | Brands Hatch |
| Dates: | September 5 |
| Competitors: | 8 |
| Nations: | 8 |
| Gold: | Sandra Graf |
| Goldnpc: | SUI |
| Silver: | Monica Bascio |
| Silvernpc: | USA |
| Bronze: | Svetlana Moshkovich |
| Bronzenpc: | RUS |
The Women's time trial H3 road cycling event at the 2012 Summer Paralympics took place on September 5 at Brands Hatch. Eight riders from eight nations competed. The race distance was 16 km.
| width=20 | Rank! | width=180 | Name ! | Country | Time |
|---|---|---|---|---|---|
| Sandra Graf | 33:21.61 | ||||
| Monica Bascio | 33:39.26 | ||||
| Svetlana Moshkovich | 34:08.48 | ||||
| Susan Reid | 36:00.46 | ||||
| Rachel Morris | 36:38.97 | ||||
| Kadidia Nikiema | 43:15.64 | ||||
| Kim Jung Im | 43:25.32 | ||||
| Murielle Lambert | 45:38.01 |