| Flag | Date | Use | Description |
|---|
| 1911–present | | A green rectangle with the national coat of arms. |
| 2006–present | | A white rectangle (ratio 2:3) with a centrally positioned minor coat of arms and a green border. |
| 1972–present | Flag of the prime minister | This flag is like the flag of the president, but is white with a green saltire with the Arms (sphere and shield) at the centre. There is a red border on all four sides with a pattern of laurel leaves in gold. This replaces the former flag of the Minister of defence. |
| 1911–present | Minister flag | Same flag as the prime-minister, but without the red border. |
| 1952–present | Flag of the defence minister | The only flag not to follow the style of the national flag |
|
| Flag | Date | Use | Description |
|---|
| | Commander-in-chief of the Portuguese navy | Rectangular white field quartered by a green cross, the cross of Christ on the top-right canton. |
| | Fleet-admiral of the Portuguese navy | Rectangular white field quartered by a green cross, the minor coat of arms of Portugal on the top-right canton. |
| | Admiral of the Portuguese navy | Rectangular white field quartered by a green cross. |
| | Vice-admiral General of the Portuguese navy | Rectangular white field quartered by a green cross, a red circle on the top-right canton. |
| | Rear-admiral of the Portuguese navy | Rectangular white field quartered by a green cross, a red circle on the top right and lower right cantons. | |
| Flag | Date | Use | Description |
|---|
| 1143–1185 | Royal flag | Heraldic banner (a blue cross with five blue escutcheons each charged with an undetermined number of bezants on a white field (hypothetical)). |
| 1185–1248 | Royal flag | Heraldic banner (five blue escutcheons each charged with an undetermined number of bezants on a white field (first standard and historic royal coat of arms)). |
| 1248–1385 | Royal flag | Heraldic banner (Five blue escutcheons each charged with an undetermined number of bezants on a white field. Border: red with yellow castles (number not fixed)). |
| 1385–1485 | Royal flag | Heraldic banner (Five blue escutcheons each charged with an undetermined number of bezants on a white field. Border: red with yellow castles and a green cross of the Order of Aviz). |
| 1485–1521 | Royal flag | Heraldic banner (Five blue escutcheons each charged with 5 bezants on a white field. Border: red with 8 yellow castles). |
| 1495–1521 | Alternative royal flag | White with the coat of arms of the Kingdom in the middle |
| 1521–1578 | Royal flag | White with the coat of arms of the Kingdom in the middle |
| 1578–1640 | Royal flag | White with the coat of arms of the Kingdom in the middle |
| 1616–1640 | Alternative royal flag | White with the coat of arms of the Kingdom in the middle (variant with branches of brambles under the shield) |
| 1640–1667 | Royal flag | White with the coat of arms of the Kingdom in the middle |
| 1667–1706 | Royal flag (used only in fortresses and warships of the Crown) | White with the coat of arms of the Kingdom in the middle |
| 1706–1816 | Royal flag until the late 18th century (used only in fortresses and warships of the Crown) and national flag from then on | White with the coat of arms of the Kingdom in the middle |
| 1750–1816 | Variant of the royal flag until the late 18th century (used only in fortresses and warships of the Crown) and national flag from then on | White with the coat of arms of the Kingdom in the middle (variant with a heraldic console encircling the shield) |
| 1816–1826 | National flag | White with the coat of arms of the Kingdom in the middle (coat of arms of the United Kingdom of Portugal, Brazil and the Algarves) |
| 1826–1834 | National flag (used by the Miguelist faction in the Liberal Wars). | White with the coat of arms of the Kingdom in the middle |
| 1834–1910 | National flag | Vertical bicolour blue-white. Proportion of the fields: 1:1. | |
| Flag | Date | Use | Description |
|---|
| 14th–15th century | Flag of Saint George. | A white field charged with a red cross. |
| 14th century | | White field charged with a green fleur-de-lis cross. |
| 16th century–17th century | | White field charged with the Cross of the Order of Christ. |
| 16th century | Variant of the flag of the Order of Christ used during the Discovery Age | Green and white gyronny charged with the Cross of the Order of Christ. |
| 17th century | | Green field charged with the Cross of the Order of Christ. |
| 19th century | 1853 Portuguese army regimental flag. | White field charged with the Portuguese coat of arms. |
| 19th century | 1868 Portuguese army regimental flag. | Vertical white and blue field charged with the Portuguese coat of arms. |
|
| Flag | Date | Use | Description |
|---|
| 15th–16th century | Merchant flag | White quincunx on a square blue field . |
| 17th–18th century | Portuguese Brazil coaster flag for ships with less than 15 pieces of artillery | Seven green horizontal stripes on white. |
| 17th century | Merchant flag | White field with the Cross of the Order of Christ off-center to the mast side. |
| 18th century century | Portuguese India merchant flag | White field charged with a red or purple armillary sphere with three crosses, off center to the mast side. |
| 18th century | Portuguese Brazil merchant flag | White field charged with a golden armillary sphere, off center to the mast side. |
| 18th century | Portuguese Brazil merchant flag, used by merchants involved in the Missions region. | White field charged with the Portuguese coat of arms, a red armillary sphere and a missionary. |
| 18th century | | Six horizontal green stripes and five white stripes. |
| 18th century | Common merchant flag. | Rectangular flag charged with 17 red, blue and white successions of stripes, quartered by a black cross, a white cross in the top-left canton. |
|
| Flag | Date | Use | Description |
|---|
| 16th century | General use | Square white field charged with the Cross of Christ |
| 1616–1640 | Used at sea during the Iberian Union, flown in the stern section of the ship | Rectangular white field charged with the arms of Portugal on branches, off-set to the mast side. |
| 1640–1667 | Used at sea, flown in the stern section of the ship. | Rectangular white field charged with the arms of Portugal, off-set to the mast side. |
| 17th century | Portuguese India-based fleets, flown in the stern section. | Backside of the royal flag. Rectangular white flag with Our Lady off-set to the mast side. |
| 17th–18th century | Commander of Portuguese-Brasil-based warships | Rectangular green and white striped field charged with the coat of arms of Portugal. |
| –1670 | Commander of Portuguese-India-based warships, flown in the stern section | Rectangular white field charged with the royal coat of arms of Portugal set on a Cross of Christ, off-set to the mast side. |
| 1600 | War ensign | |
| 1706–1750, 1826–1830 | Royal navy flag flown in the stern section. | Rectangular white field charged with the arms of Portugal, off-set to the mast side. |
| 1816–1826 | Royal navy flag flown in the stern section. | Rectangular white field charged with the arms of the United Kingdom of Portugal, Brazil and Algarves off-set to the mast side. |
| 1834–1910 | Variant of the national flag for use at sea (ensign) | Vertical bicolour blue-white. Proportion of the fields: 1:2. |
| 1833–1910 | Royal navy jack, flown in the bow section | Square white banner charged with the royal coat of arms of Portugal, a blue bordure. |
| 1828–1910 | Personal royal jack used at sea in the bow section | Square white banner charged with the royal coat of arms of Portugal, a red bordure. |
| 1707–1910 | Personal royal banner used at sea in the stern section | Rectangular red field charged with the royal arms of Portugal off-set to the mast side. |
|
| Flag | Date | Use | Description |
|---|
| 1495–1521 | Used in the presence of the monarch. | Golden armillary sphere on a square red and white field. |
| 1495–1521 | Used in the presence of the monarch. | Golden armillary sphere on a square red and white field. |
| 1551–1568 | Used in the presence of the monarch. | Royal Portuguese coat of arms on a rectangular red field. |
| 1540–1656 | Used in the presence of the monarch. | Royal Portuguese coat of arms on a rectangular blue field. |
| 1683–1706 | Used in the presence of the monarch. | Royal Portuguese coat of arms on a rectangular green field. |
| 1706–1750 | Used in the presence of the monarch. | Royal Portuguese coat of arms on a rectangular red field. |
| 1826 | Used in the presence of the monarch. | Rectangular armorial banner. |
| 1853–1861 | Used in the presence of the monarch. | Royal Portuguese coat of arms on a rectangular red field. |
| 1853–1861 | Used in the presence of the monarch. (alternative) | Royal Portuguese coat of arms on a rectangular red field, the initials "PR" in each corner. |
|
| Flag | Date | Use | Description |
|---|
| 1911–1974 | Flag of the navy minister | White flag with a green cross of Saint George, with the Arms in the centre. As the position of "Minister of the Navy" has been abolished, the flag is currently not used. |
| 1911–1974 | Flag of the war/army minister | Flag divided vertically like that of the Army, but with five white stars over all, arranged in a ring. As the position of "Minister of the War/Army" has been abolished, the flag is currently not used. |
| 19112011 | Flag of the civil governors | De facto not in use since 2011. |
| 1952 - 1972 | Flag of the Portuguese President of the Council of Ministers. | Square flag. |
|
| Flag | Date | Use | Description |
|---|
| 1965 | | Portuguese national flag with the coat of arms of Portuguese Angola in the lower-right corner. |
| 1965 | | Portuguese national flag with the coat of arms of Portuguese Cape Verde in the lower-right corner. |
| 1965 | | Portuguese national flag with the coat of arms of Portuguese Guinea in the lower-right corner. |
| 1965 | | Portuguese national flag with the coat of arms of Portuguese India in the lower-right corner. |
| 1965 | | Portuguese national flag with the coat of arms of Portuguese Macau in the lower-right corner. |
| 1965 | | Portuguese national flag with the coat of arms of Portuguese Mozambique in the lower-right corner. |
| 1965 | | Portuguese national flag with the coat of arms of Portuguese São Tomé and Príncipe in the lower-right corner. |
| 1965 | | Portuguese national flag with the coat of arms of Portuguese Timor in the lower-right corner. | |
| Flag | Date | Use | Description |
|---|
| –1964 | | Coat of arms of Luanda on a rectangular purple field |
| 1964–1975 | Second flag of Portuguese Luanda | Coat of arms of Luanda on a rectangular purple and yellow gyronny |
| 1952–1975 | City of Dili | Coat of arms of Dili on a rectangular green and white gyronny. |
| 1952–1975 | City of Dili (square version) | Coat of arms of Dili on a square green and white gyronny. |
| –1962 | City of Goa | Coat of arms of Goa on a red and white rectangular gyronny |
| 1962–1965 | City of Goa | Coat of arms of Goa on a white field. |
| –1975 | City of Bissau. | Rectangular red and black gyronny charged with the coat of arms of Bissau. |
| –1975 | City of Bissau (square version) | Square red and black gyronny charged with the coat of arms of Bissau. |
| –1975 | City of Praia | Rectangular white and blue gyronny charged with the coat of arms of Praia. |
| –1975 | | Rectangular white and blue gyronny charged with the coat of arms of São Tomé. |
| –1962 | City of Lourenço Marques (square version) | Square green field charged with the arms of Lourenço Marques. |
| 1962–1975 | City of Lourenço Marques (square version) | Square yellow and green gyronny charged with the arms of Lourenço Marques. | |
