Jacob Crowninshield
| Jacob Crowninshield | |
|---|---|
| Member of the U.S. House of Representatives from Massachusetts's 2nd district | |
| In office March 4, 1803 – April 15, 1808 | |
| Preceded by | William Shepard | 
| Succeeded by | Joseph Story | 
| Member of the Massachusetts Senate | |
| In office 1801 | |
| Personal details | |
| Born | March 31, 1770 Salem, Province of Massachusetts Bay, British America | 
| Died | April 15, 1808 (aged 38) Washington, D.C., U.S. | 
| Resting place | Harmony Grove Cemetery, Salem, Massachusetts | 
| Political party | Democratic-Republican | 
| Relations | Benjamin Williams Crowninshield, Arent S. Crowninshield | 
| Children | Sarah Crowninshield | 
Jacob Crowninshield (March 31, 1770 – April 15, 1808) was a U.S. Representative from Massachusetts and appointee to the position of U.S. Secretary of the Navy, which he never filled. His brother Benjamin Williams Crowninshield did successfully hold the post; the Crowninshield family in general was prominent in early American maritime affairs. He was the grandfather of Arent S. Crowninshield.