| U.S. Army Coast Artillery Corps | |
|---|---|
 | |
| Active | 1901–1950 |
| Country |  United States of America |
| Branch |  United States Army |
| Garrison/HQ | Fort Monroe |
| Patron | Saint Barbara |
| Colors | Scarlet |
| Mascot(s) | Oozlefinch |
| Commanders | |
| Notable commanders | Chiefs of Coast Artillery |
The U.S. Army Coast Artillery Corps (CAC) was an administrative corps responsible for coastal, harbor, and anti-aircraft defense of the United States and its possessions between 1901 and 1950. The CAC also operated heavy and railway artillery during World War I.