| Thorkild Jonsson Fjeldsted | |
| Nationality: | Icelandic |
| Office: | Lawman of the Faroe Islands |
| Termstart: | 1769 |
| Termend: | 1772 |
| Predecessor: | Hans Jákupsson Debes |
| Successor: | Jacob Hveding |
| Native Name: | Þorkell Jónsson Fjeldsted |
| Native Name Lang: | is |
| Occupation: | Lawyer |
or (1740 – 19 November 1796) was an Icelandic lawyer who practised law in Copenhagen from 1763 to 1769. From 1769 to 1772, he was Lawman (prime minister) of the Faroe Islands.[1]
After that, he moved to Norway. From 1772 to 1778 he was county governor of Finnmark county. In 1778–1780, he became county governor of Bornholm County in Denmark.[2] [3] From 1780 to 1786, we was a judge in Christianssand. In 1786, he became a county governor of Trondhjem county. He held that post until 1796 when he died in Trondhjem.[4]