The United Front for Democracy Against Dictatorship (UDD) (Thai: แนวร่วมประชาธิปไตยต่อต้านเผด็จการแห่งชาติ; นปช. alternatively translated as National Democratic Alliance against Dictatorship) whose supporters are commonly called Red Shirts is a political pressure group opposed to the People’s Alliance for Democracy (PAD) the 2006 Thai military coup and supporters of the coup.
