| William Shepherd | |
| Office: | 29th Mayor of Lynn, Massachusetts |
| Term Start: | 1899 |
| Term End: | 1902 |
| Predecessor: | Walter L. Ramsdell |
| Successor: | Henry W. Eastham |
| Office2: | Member of the Massachusetts House of Representatives 20th Essex District |
| Term Start2: | 1895 |
| Term End2: | 1896 |
| Predecessor2: | Ottho W. Lewis |
| Successor2: | Ottho W. Lewis (District re numbered to 14th Essex) |
| Office3: | Member of the Lynn, Massachusetts Common Council Ward 3 |
| Term Start3: | 1870 |
| Term End3: | 1870 |
| Birth Date: | September 17, 1837 |
| Birth Place: | Red Hill, County Cavan, Ireland |
| Death Date: | 1907 |
| Alma Mater: | Mayhew Grammar School, Boston, Massachusetts |
| Occupation: | Shoe Manufacturer |
| Nationality: | American |
William Shepherd (September 17, 1837 – 1907) was a Massachusetts politician who served in the Massachusetts House of Representatives and as the 29th Mayor of Lynn, Massachusetts.
Shepherd was born in Red Hill, County Cavan, Ireland on September 17, 1837. Shepherd moved to the United States when he was 9 years old. He was educated in the Boston Public Schools, graduating from the Mayhew grammar school.
Shepherd moved to Lynn in 1857 where he learned the trade of shoe making. Shepherd went into the business of shoe manufacturing with his brother Alan G. Shepherd. Shepherd later worked for other manufactures as a foreman.
Shepherd was a member of the Fire Department and a member of he represented Ward 3 on the Lynn Common Council.
Shepherd was elected to serve in the Massachusetts House of Representatives of 1895 and 1896, representing the 20th Essex district, which was made up out of Wards 6 and 7 of Lynn and the Town of Saugus. In the House Shepherd served on the Committee on Public and Charitable Institutions.
Shepherd served as the Mayor of Lynn, Massachusetts from 1899 to 1902.