| Merchant Marine Atlantic War Zone Medal (Bar) | |
|---|---|
  Merchant Marine Atlantic War Zone Medal obverse (left) and reverse | |
| Type | Service Award |
| Awarded for | Service in the Atlantic War Zone. |
| Presented by | United States Maritime Administration |
| Eligibility | Merchant Marine personnel |
| Campaign(s) | Second World War |
| Established | 10 May 1944 as a ribbon bar 1992 as a medal |
| Total | 235,298 |
 Merchant Marine Atlantic War Zone Bar | |
| Precedence | |
| Next (higher) | Merchant Marine Defense Bar |
| Next (lower) | Merchant Marine Mediterranean-Middle East War Zone Medal |
The Merchant Marine Atlantic War Zone Medal (Bar) is a decoration of the United States Merchant Marine established by an Act of Congress on May 10, 1944.