| Term Start: | November 16, 1908 |
| Term End: | November 16, 1910 |
| Successor: | Roy J. Williams |
| Term Start2: | October 24, 1901 |
| Term End2: | 1903 |
| Predecessor2: | Position established |
| Successor2: | W. M. Turner |
| Office3: | Member of the Oklahoma Territorial Council from the 8th district |
| Term Start3: | 1893 |
| Term End3: | 1895 |
| Birth Date: | 4 February 1862 |
| Birth Place: | Camden, Arkansas, US |
| Party: | Democratic Party |
Leslie P. Ross was an American politician who served in the Oklahoma House of Representatives and as the 1st Mayor of Lawton, Oklahoma. He was also a Democratic candidate in the 1910 Oklahoma gubernatorial election.
Leslie P. Ross was born on February 4, 1863, in Camden, Arkansas. His father was a confederate veteran and county sheriff. In 1890, he was elected to the Oklahoma Territorial Senate. He was elected the first Mayor of Lawton on October 24, 1901.[1] He was later elected to the 2nd Oklahoma Legislature.[2] He was a Democratic candidate in the 1910 Oklahoma gubernatorial election, but lost the primary election.[3] He died March 9, 1944.