| Jim Clayton | |
| Birth Name: | Oliver Newton Clayton |
| Sport: | Rowing |
| Club: | Petone Rowing Club |
Oliver Newton "Jim" Clayton (13 April 1911 - 9 June 1992) was a New Zealand rower.
At the 1938 British Empire Games he won the silver medal as part of the men's coxed four as their stroke.[1] He was a member of the Petone Rowing Club, and his team members in the 1938 boat were Albert Hope, Ken Boswell, John Rigby, and George Burns (cox).[2]