Weng Tojirakarn (Thai: เหวง โตจิราการ, RTGS: Weng Tochirakan, Thai pronunciation: [wěːŋ toːt͡ɕìʔraːkaːn]; born 1 April 1951) is a Thai medical doctor and politician. He is an activist of the United Front for Democracy Against Dictatorship (UDD), colloquially known as "Red Shirts" and since 2011 a member of parliament for the Pheu Thai Party.