Sir James Thornhill | |
|---|---|
 Self portrait, detail of a painting in the Painted Hall of the Greenwich Hospital, Greenwich, London | |
| Born | 25 July 1675 Melcombe Regis, Weymouth, England |
| Died | 4 May 1734 (aged 58) |
| Nationality | English |
| Occupation | Architect |
| Children | Jane |
| Parent(s) | Walter Thornhill Mary Sydenham |
| Buildings | Moor Park |
Sir James Thornhill (25 July 1675 or 1676 – 4 May 1734) was an English painter of historical subjects working in the Italian baroque tradition. He was responsible for some large-scale schemes of murals, including the "Painted Hall" at the Royal Hospital, Greenwich, the paintings on the inside of the dome of St Paul's Cathedral, and works at Chatsworth House and Wimpole Hall.