Jonathan Mayhew Wainwright (naval officer)
| Jonathan Mayhew Wainwright II | |
|---|---|
| Born | July 27, 1821 New York City | 
| Died | January 1, 1863 (aged 41) Near Galveston, Texas | 
| Allegiance | United States | 
| Branch | United States Navy | 
| Years of service | 1837–1863 | 
| Rank | Lieutenant | 
| Commands | Harriet Lane | 
| Battles / wars | American Civil War | 
| Spouse(s) | Maria Byrd Page (m. 1844) | 
| Children | 2 | 
| Relations | 
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Jonathan Mayhew Wainwright II (July 27, 1821 – January 1, 1863) was an officer in the United States Navy during the American Civil War, who was killed in action during the Battle of Galveston.