Red is a common color in national flags, and is found in the flags of many countries around the world. In fact, red is one of the most commonly used colors in flag design, alongside blue and white.

Some of the most well-known national flags that feature red include:
- United States of America: The flag of the United States features red and white stripes, as well as a blue field with white stars. The red stripes represent valor and bravery, while the white stripes represent purity and innocence.
- United Kingdom: The flag of the United Kingdom, also known as the Union Jack, features red, white, and blue. The red cross of Saint George represents England, while the white saltire of Saint Andrew represents Scotland. The blue field represents Northern Ireland.
- China: The flag of China features a large red field with five golden stars in the top left corner. The red color represents the communist revolution, while the stars represent the unity of the Chinese people under the leadership of the Communist Party.
- Japan: The flag of Japan, also known as the Hinomaru, features a large red circle on a white field. The red circle represents the sun, and is a symbol of the Japanese people and their culture.
- Spain: The flag of Spain features red and yellow horizontal stripes, with a coat of arms in the center. The red stripes represent valor, while the yellow stripes represent generosity.
- Italy: The flag of Italy features three vertical stripes of green, white, and red. The green represents hope, the white represents faith, and the red represents charity.
- Canada: The flag of Canada features a large red maple leaf on a white field, with red bars on either side. The red color represents Canada’s history and tradition, as well as the sacrifice of its people in times of war.
- France: The flag of France features three vertical stripes of blue, white, and red. The blue and red stripes represent Paris, while the white stripe represents the monarchy.
- Mexico: The flag of Mexico features three vertical stripes of green, white, and red, with a coat of arms in the center. The green represents hope, the white represents unity, and the red represents the blood of Mexico’s heroes.
- Russia: The flag of Russia features three horizontal stripes of white, blue, and red. The white represents peace, the blue represents loyalty, and the red represents courage and valor.
These are just a few examples of national flags that feature the color red. Red is a powerful and symbolic color, and is often used to represent passion, courage, and strength. Many countries have chosen to incorporate red into their flags as a way to convey these qualities, and to express the values and ideals that are important to their people.
Which country flag has red in it?