| Udney Richardson | |
| Office1: | Ontario MPP |
| Term Start1: | 1911 |
| Term End1: | 1919 |
| Predecessor1: | James J. Craig |
| Successor1: | Albert Hellyer |
| Constituency1: | Wellington East |
| Party: | Liberal |
| Birth Date: | 1869 |
| Birth Place: | West Garafraxa, Canada West |
| Death Date: | December 28, 1943 |
| Death Place: | Elora, Ontario |
Udney Richardson (1869 - 1943) was a Canadian politician, who represented the electoral district of Wellington East from 1911 to 1919 in the Legislative Assembly of Ontario. He was a member of the Ontario Liberal Party.[1]
Prior to his election to the legislature, Richardson served as reeve of Elora, Ontario.[1] He was later reelected to that office,[2] and was an owner of the local mill.[3]