Timothy H. O'Sullivan is an American artist with 15 auction lots recorded since 1996, median price $2,820.
| Title | Date | House | Price |
|---|---|---|---|
| Cañon of the Colorado River, near Mouth of San Juan River, Arizona | 2025-05-08 | Swannauctiongalleries | USD 4,750 |
| Cereus Giganteus, Arizona | 2023-04-27 | Swannauctiongalleries | USD 1,250 |
| North Folk Cañon, Sierra Blanca Creek, Arizona | 2010-10-19 | Swannauctiongalleries | USD 799 |
| Rock Carved by Drifting Sand, Below Fortification Rock | 2009-12-08 | Swannauctiongalleries | USD 1,800 |
| Quartermaster and Ambulance Camp, 6th Ambulance Corps, Brandy Station, Virginia, 1861-65 | 2005-05-29 | Christie's | $4,000 |
Timothy H. O'Sullivan's auction record is $9,987, set on 2001-10-04.