| Term Start: | 1878 |
| Term End: | 1882 |
| Predecessor: | Colin MacDougall |
| Successor: | John Henry Wilson |
| Birth Date: | 10 November 1823 |
| Birth Place: | Gloucestershire, England |
| Profession: | farmer, grain merchant |
| Party: | Liberal-Conservative |
| Riding: | Elgin East |
Thomas Arkell (10 November 1823 - 2 February 1906) was a Canadian politician, farmer and grain merchant. He was elected to the House of Commons of Canada in 1878 as a Member of the Liberal-Conservative Party to represent the riding of Elgin East. He was defeated in the election of 1882. Prior to his federal experience, he was elected mayor of St. Thomas, Upper Canada (later Ontario) between 1865 and 1871.
Arkell was born in Gloucestershire, England, United Kingdom and immigrated to Upper Canada. He married Olive Eldridge and they had nine children.