| Lewis E. Eliason | |
| Birth Date: | 15 September 1850 |
| Occupation: | Businessman, politician |
| Party: | Democratic |
| Office: | Lieutenant Governor of Delaware |
| Term Start: | January 16, 1917 |
| Term End: | May 2, 1919 |
| Governor: | John G. Townsend, Jr. |
Lewis E. Eliason (September 15, 1850 – May 2, 1919)[1] was an American politician who served as the fifth Lieutenant Governor of Delaware, from January 16, 1917, until his death on May 2, 1919. A Democrat, he served under Republican Governor John G. Townsend, Jr., as the two offices were elected independently at the time.[2]
He remains the state's only lieutenant governor to die in office.[2]