| Pacific Ocean Areas | |
|---|---|
 Map of Pacific Theater | |
| Country |  United States  Australia  Netherlands  United Kingdom  New Zealand  Canada |
| Allegiance | Allies of World War II |
| Anniversaries | March 30, 1942 |
| Engagements | Pacific War |
| Commanders | |
| Historic commander | Chester Nimitz |
Pacific Ocean Areas was a major Allied military command in the Pacific Ocean theater of World War II. It was one of four major Allied commands during the Pacific War and one of three United States commands in the Asiatic-Pacific Theater. Admiral Chester W. Nimitz of the U.S. Navy, Commander in Chief, U.S. Pacific Fleet, headed the command throughout its existence.
The vast majority of Allied forces in the theatre were from the U.S. Navy, U.S. Army and U.S. Marine Corps. However units and/or personnel from New Zealand, the United Kingdom, Australia, Canada, Mexico, Fiji and other countries also saw active service.