The red flag is often seen in combination with other communist symbols and party names. The flag is used at various communist and socialist rallies like May Day . The flag, being a symbol of socialism itself, is also commonly associated with non-communist variants of socialism.

With the dissolution of the Eastern Bloc in Europe, most of these countries' socialist emblems have been replaced with old pre-communist symbols or by wholly new coats of arms. The socialist style's influence is still seen in the emblems of several countries, such as the People's Republic of China.

The hammer and sickle (☭) or sickle and hammer (Russian: серп и мо́лот, translit. syerp i molot) is a communist symbol that was adopted during the Russian Revolution. At the time of creation, the hammer stood for industrial laborers and the sickle for the peasantry—combined they stood for the worker-peasant alliance for socialism.

This image contains a symbol prohibited by law in some nations, owing to it being a representation of communism, socialism, or a similar governmental structure; or of an associated political party/organization:

Below is the complete list of Windows Alt codes for cultural, religious & political symbols, their corresponding HTML entity numeric character references and, when available, their corresponding HTML entity named character references.