| Country | Flag description |
| Niue | yellow with the flag of the UK in the upper hoist-side quadrant; the flag of the UK bears five yellow five-pointed stars - a large star on a blue disk in the center and a smaller star on each arm of the bold red cross |
| Norfolk Island | three vertical bands of green (hoist side), white, and green with a large green Norfolk Island pine tree centered in the slightly wider white band |
| Northern Mariana Islands | blue, with a white, five-pointed star superimposed on the gray silhouette of a latte stone (a traditional foundation stone used in building) in the center, surrounded by a wreath |
| Norway | red with a blue cross outlined in white that extends to the edges of the flag; the vertical part of the cross is shifted to the hoist side in the style of the Dannebrog (Danish flag) |
| Oman | three horizontal bands of white, red, and green of equal width with a broad, vertical, red band on the hoist side; the national emblem (a khanjar dagger in its sheath superimposed on two crossed swords in scabbards) in white is centered near the top of the vertical band |
| Pacific Ocean | void |
| Pakistan | green with a vertical white band (symbolizing the role of religious minorities) on the hoist side; a large white crescent and star are centered in the green field; the crescent, star, and color green are traditional symbols of Islam |
| Palau | light blue with a large yellow disk (representing the moon) shifted slightly to the hoist side |
| Panama | divided into four, equal rectangles; the top quadrants are white (hoist side) with a blue five-pointed star in the center and plain red; the bottom quadrants are plain blue (hoist side) and white with a red five-pointed star in the center |
| Papua New Guinea | divided diagonally from upper hoist-side corner; the upper triangle is red with a soaring yellow bird of paradise centered; the lower triangle is black with five, white, five-pointed stars of the Southern Cross constellation centered |
| Paracel Islands | void |
| Paraguay | three equal, horizontal bands of red (top), white, and blue with an emblem centered in the white band; unusual flag in that the emblem is different on each side; the obverse (hoist side at the left) bears the national coat of arms (a yellow five-pointed star within a green wreath capped by the words REPUBLICA DEL PARAGUAY, all within two circles); the reverse (hoist side at the right) bears the seal of the treasury (a yellow lion below a red Cap of Liberty and the words Paz y Justicia (Peace and Justice) capped by the words REPUBLICA DEL PARAGUAY, all within two circles) |
| Peru | three equal, vertical bands of red (hoist side), white, and red with the coat of arms centered in the white band; the coat of arms features a shield bearing a vicuna, cinchona tree (the source of quinine), and a yellow cornucopia spilling out gold coins, all framed by a green wreath |
| Philippines | two equal horizontal bands of blue (top; representing peace and justice) and red (representing courage); a white equilateral triangle based on the hoist side represents equality; the center of the triangle displays a yellow sun with eight primary rays, each representing one of the first eight provinces that sought independence from Spain; each corner of the triangle contains a small, yellow, five-pointed star representing the three major geographical divisions of the country: Luzon, Visayas, and Mindanao; the design of the flag dates to 1897; in wartime the flag is flown upside down with the red band at the top |
| Pitcairn Islands | blue with the flag of the UK in the upper hoist-side quadrant and the Pitcairn Islander coat of arms centered on the outer half of the flag; the coat of arms is yellow, green, and light blue with a shield featuring a yellow anchor |
| Poland | two equal horizontal bands of white (top) and red; similar to the flags of Indonesia and Monaco which are red (top) and white |
| Portugal | two vertical bands of green (hoist side, two-fifths) and red (three-fifths) with the Portuguese coat of arms centered on the dividing line |
| Puerto Rico | five equal horizontal bands of red (top and bottom) alternating with white; a blue isosceles triangle based on the hoist side bears a large, white, five-pointed star in the center; design initially influenced by the US flag, but similar to the Cuban flag, with the colors of the bands and triangle reversed |
| Qatar | maroon with a broad white serrated band (nine white points) on the hoist side |
| Romania | three equal vertical bands of blue (hoist side), yellow, and red; the national coat of arms that used to be centered in the yellow band has been removed; now similar to the flag of Chad, also resembles the flags of Andorra and Moldova |
| Russia | three equal horizontal bands of white (top), blue, and red |
| Rwanda | three horizontal bands of sky blue (top, double width), yellow, and green, with a golden sun with 24 rays near the fly end of the blue band |