Greenshirts or Green shirts can mean:
Politics
Brazilian Integralist Action, a political party in Brazil
Green Shirt Movement for Social Credit, a political party in the United Kingdom
"Green Shirts", agrarian militias founded by Henri Dorgères in France
Greenshirts (National Corporate Party), a fascist political party in Ireland
Hungarian National Socialist Party, a fascist political party in Hungary
Iron Guard, a fascist political party and paramilitary force in Romania
Juventudes de Acción Popular, the youth organization of Popular Action, a political party in Spain Lega Nord ("Northern League"), a regionalist political party in Italy Young Egypt Party (1933), a nationalist political party in Egypt Yugoslav Radical Union, a fascist political party in the Kingdom of Yugoslavia