| U-Boat War Badge | |
|---|---|
 U-boat War Badge from World War II | |
| Type | Badge |
| Awarded for | Completing two or more U-boat war patrols |
| Presented by | German Empire and Nazi Germany |
| Eligibility | Military personnel |
| Campaign(s) | World War I World War II |
| Established | February 1, 1918 and October 13, 1939 |
 U-boat War Badge seen on the tunic of a sailor being presented with the German Cross in gold. | |
| Precedence | |
| Next (higher) | U-boat Front Clasp |
The U-boat War Badge (German: U-Boot-Kriegsabzeichen) was a German war badge that was awarded to U-boat crew members during World War I and World War II.