| Thomas Richard Whitesides | |
| Parliament: | Ontario Provincial |
| Term Start: | June 8, 1908 |
| Term End: | May 29, 1914 |
| Predecessor: | seat created |
| Successor: | seat abolished |
| Riding: | Toronto East Seat B |
| Party: | Conservative |
| Alongside: | Robert Allan Pyne |
Thomas Richard Whitesides was a Canadian politician from Ontario. He represented Toronto East in the Legislative Assembly of Ontario from 1908 to 1914.[1]