| John Maberry | |
| Birth Date: | 17 December 1841 |
| Birth Place: | Smyrna, Delaware |
| Placeofburial Label: | Place of burial |
| Allegiance: |  United States of AmericaUnion |
| Branch: | United States Army |
| Serviceyears: | 1861 - 1865 |
| Rank: | Sergeant |
| Unit: | Company F, 1st Delaware Volunteer Infantry Regiment |
| Battles: | American Civil War |
| Awards: | Medal of Honor |
John B. Maberry (December 17, 1841 – December 17, 1922) was an American Civil War Medal of Honor recipient from Smyrna, Delaware, who served in the United States Army as a sergeant in Company F of 1st Delaware Infantry. His citation was awarded for his service as a private during the Battle of Gettysburg on July 3, 1863, and reads "Capture of flag."