| Ewen McLennan | |
| Birth Name: | Ewen Donald McLennan |
| Birth Date: | 3 August 1861 |
| Birth Place: | New Zealand [1] |
| Death Place: | Papakura, Auckland, New Zealand |
| Resting Place: | Papakura Cemetery |
| Constituency Mp: | Franklin |
| Parliament: | New Zealand |
| Term Start: | 1931 |
| Term End: | 1928 |
| Predecessor: | William Massey |
| Successor: | Jack Massey |
| Spouse: | [2] |
| Party: | Reform |
Ewen Donald McLennan (3 August 1861 – 14 December 1948)[1] was a Reform Party Member of Parliament.
He won the Franklin electorate in a 1925 by-election after the death of the previous MP, Prime Minister William Massey and retired in 1928.[3]