The Following is a List of Flags used in Cocos (Keeling) Islands in Australia
| Flag | Date | Use | Description | |
|---|---|---|---|---|
| 1878-1886 1942-1946 | A defaced blue ensign with the Arms of the Ceylon Government. | |||
| 1886-1900 | A superimposition of the flags of England and Scotland with the Saint Patrick's Saltire (representing Ireland). | |||
| 1900-1925 | A defaced blue ensign with the arms of the Strait Settlements. | |||
| 1925-1942 | Flag of The Straits Settlements | A defaced blue ensign with the arms of the Strait Settlements (without the white disc). | ||
| 1946-1952 | A defaced blue ensign with the arms of Singapore. | |||
| 1952-1955 | Flag of The Colony of Singapore | A defaced blue ensign with the arms of Singapore (slightly modified crown). | ||
| 1955-2004 (Still used Today) | Flag of Australia | A Blue Ensign defaced with the seven-point Commonwealth Star in the lower hoist quarter and the five stars of the Southern Cross in the fly half. |