| William Duckworth | |
| Office: | Ontario MPP |
| Constituency: | Dovercourt |
| Term Start: | 1934 |
| Term End: | 1948 |
| Predecessor: | Samuel Wright |
| Successor: | George Park |
| Birth Date: | 25 October 1884 |
| Birth Place: | Garafraxa Township, Dufferin County, Ontario |
| Party: | Conservative |
| Occupation: | Farmer, grocery wholesaler |
William Duckworth (October 25, 1884 - November 8, 1951)[1] was an Ontario merchant and political figure. He represented Dovercourt in the Legislative Assembly of Ontario from 1934 to 1948 as a Conservative and then Progressive Conservative member.
He was born in Garafraxa Township, Dufferin County, Ontario, the son of Samuel Duckworth, and was educated in Orangeville. He was a farmer in Luther Township for some time before moving to Toronto where he established a wholesale produce business. In 1908, he married a Miss Taylor. Duckworth served on the city council for several years and was a member of the Orange Order.