Alexander Slidell MacKenzie
| Alexander Slidell MacKenzie | |
|---|---|
| Born | January 24, 1842 | 
| Died | June 13, 1867 (aged 25) Kenting, Taiwan | 
| Allegiance | United States of America Union | 
| Branch | United States Navy | 
| Years of service | 1859–1867 | 
| Rank | Lieutenant commander | 
| Commands | USS Winona | 
| Battles / wars | American Civil War Formosa Expedition † | 
| Relations | Alexander Slidell Mackenzie (father) Matthew C. Perry (Uncle) | 
Alexander Slidell MacKenzie (January 24, 1842 – June 13, 1867) was an officer in the United States Navy during the American Civil War.