# List of Singaporean flags
## National

| Flag | Duration | Use | Description |
| | 1959 – | Flag of Singapore | A horizontal bicolour of red over white, charged in white in the canton with a crescent facing, towards the fly, a pentagon of five stars. |

## Government

| Duration | Use | Description |
| 1960 – | Presidential standard | Used to denote the presence of the President of Singapore while in the country. |
| 1960 – | State marine ensign | Used by non-military, government vessels. Referred colloquially to as the Blue Ensign. |
| 1966 – | Civil ensign | Used by Singapore-registered civilian ships. Referred to in law as the Red Ensign. |

## Military

| Duration | Use | Description |
| 1965 – | Flag of the Singapore Armed Forces | State flag with the emblem of the Singapore Armed Forces on the lower right. |
| 1965 – | Service flag of the Singapore Army | Crescent and stars in a red field on the top left, with the remaining 3/4 of the flag in yellow, and the emblem of the Singapore Armed Forces on the lower right. |
| 1990 – | Service flag of the Republic of Singapore Air Force | Crescent and stars in a red field on the top left, with the remaining 3/4 of the flag in blue, and the Lion Head symbol on the lower right. |
| 1967 – | Service flag and naval ensign of the Republic of Singapore Navy | Crescent and stars in a red field on the top left, with the remaining 3/4 of the flag in white, and the mariner's compass rose on the lower right. The naval ensign is mandated to be of a 1:2 ratio (top) as set out in the Misc.1 of 1967 legislation passed in the Parliament of Singapore. However, a 2:3 variant is used today (bottom). |
| 1965 – | Commissioning pennant | Triangular pennant with the crescent and stars on the far left; flown at the highest mast of commissioned naval ships at all times. |
| 2022 – | Service flag of the Digital and Intelligence Service | Crescent and stars in a red field on the top left, with the remaining 3/4 of the flag in dark grey, and the DIS logo on the lower right. |

## Miscellaneous

| Flag | Duration | Use | Description |
| | 1929–2021 | Malaysia Preventive Service flag | To be used by Malaysian owned ships when operating in Singaporean waters Repealed on 1 March 2021. |

## Historic

| Duration | Use | Description |
| 1025–1070 | Chola dynasty | A red swallowtailed field with a tiger in the center. |
| 1398–1400 | Majapahit | 13 horizontal stripes alternating red and white. |
| 1400–1511 | Malacca Sultanate | A red field with a crescent. The detailed design is not exactly known. |
| 1511–1521 | Portuguese Malacca | A White banner with the coat of arms of the Kingdom in the center. |
| 1521–1578 | Portuguese Malacca | A White banner with the coat of arms of the Kingdom in the center. |
| 1578–1614 | Portuguese Malacca | A White banner with the coat of arms of the Kingdom in the center. |
| 1614–1636 | Aceh Sultanate | A Red Banner with a white crescent moon and a 5 pointed star. a sword is below them. |
| 1636–1819 | Johor Sultanate | A simple white banner. |
| 1819–1824 | British East India Company | A striped banner with the Union Jack in the canton. |
| 1824–1874 | United Kingdom | A superimposition of the flags of England and Scotland with the Saint Patrick's Saltire (representing Ireland). |
| 1874–1904 | Straits Settlements | Adopted when Singapore was joined with Malacca and Penang as a single Crown colony. |
| 1904–1925 | Straits Settlements | similar to the previous flag, with different crowns. |
| 1925–1942 1945–1946 | Straits Settlements | similar to the previous flag, without the white disc. |
| 1942–1945 | Flag of Japan | Used during the Japanese occupation of Singapore. The actual flag is still used in Japan as the national flag (officially since 1999 after some modifications). |
| 1943–1945 | Azad Hind | A horizontal tricolour of saffron at the top, white in the middle, and green at the bottom. In the centre, a blue spinning wheel. |
| 1946–1952 | Crown colony of Singapore | Adopted when Singapore became a Crown colony on its own following the dissolution of the Crown colony of the Straits Settlements. |
| 1952–1959 | Crown colony of Singapore | Modification from the previous flag; this version has a slightly modified crown. |
| 1963–1965 | Flag of Malaysia | Used in Singapore during the statehood in Malaysia. Still the current flag of Malaysia. |