 | |
| Justin Hammer | |
| Continuity: | Marvel Universe |
| Notability: | Antagonist |
| Type: | Businessman |
| Gender: | Male |
| Race: | Human |
| Location: | Surrey, England Atlantic Ocean |
| Associations: | Hammer Industries |
| Known relatives: | Justine Hammer Sasha Hammer |
| Status: | Deceased |
| First: | Iron Man #120 |
| Final: | Iron Man: Bad Blood #4 |
| Actor: | Sam Rockwell |
Justin Hammer is a fictional businessman and a recurring antagonist featured in comic books published by Marvel Comics. He is associated with the Iron Man line of titles and first appeared in Iron Man #120 in March, 1979 in a story called "The Old Man and the Sea Prince!"