Flags with rectangular symmetry

national flag of Japan

national flag of the State of Israel

national flag of the Republic of Austria

national flag of Georgia

national flag of the Kingdom of Thailand

national flag of the Lao People's Democratic Republic

national flag of the Swiss Confederation

national flag of the Republic of Latvia

national flag of the Republic of Botswana

national flag of Scotland

national flag of the Republic of Peru

national flag of the Republic of North Macedonia

national flag of the Federal Republic of Nigeria

national flag of the Republic of Costa Rica

national flag of England

national flag of Jamaica

flag of the Bailiwick of Guernsey

flag and symbol of Basque nationalism

red cross on a white background

flag of the Portuguese autonomous region of Madeira

flag of the U.S. state of New Mexico

flag of the U.S. state of Alabama

The Senyera is a vexillological symbol often called "the four bars", much older than the Crown of Aragon.

national flag of South Vietnam (1948–1975)

flag used by transgender individuals, organizations and communities

municipal flag of the city of Chicago, Illinois, United States

red saltire on a white field

flag historically used as national flag of Belarus, and nowadays used by Belarusian oppositions

municipal flag of Amsterdam, Netherlands

flag of Cornwall

flag of Tenerife (Canary Islands, Spain)

flag used to represent Saint David and Wales

yellow flag with a purple circle used by the intersex community

Ethnic flag of the Aromanians

flag of English county

flag of the city of Rotterdam

Union Flag used between 1606 and 1800

symbolic flag used at the Eureka Stockade

flag of the Italian city Milan

British sub-national flag

flag of city and municipality in the Netherlands