| FOB Geronimo | |
| Ensign: | Flag of the International Security Assistance Force.svg |
| Ensign Size: | 150px |
| Location: | Nawa-I-Barakzayi District, Helmand Province |
| Country: | Afghanistan |
| Type: | Forward operating base |
| Pushpin Map: | Afghanistan |
| Pushpin Label: | FOB Geronimo |
| Pushpin Map Caption: | Shown within Afghanistan |
| Ownership: | International Security Assistance Force (ISAF) |
| Operator: | United States Marine Corps Afghan National Army (ANA) |
| Built: | July |
| Used: | 2009- |
| Elevation: | 869m (2,851feet) |
| H1-Number: | 01 |
| H1-Length: | 30m (100feet) |
| H1-Surface: | Concrete |
FOB Geronimo is a former Forward operating base located along the Helmand River Valley in Nawa-I-Barakzayi District, Helmand Province, Afghanistan. It was originally built for 1st Battalion, 5th Marines by Combat Logistics Battalion 8 (CLB8), of the United States Marine Corps in 2009.[1] [2]