Pailou may refer to:
Paifang, a traditional Chinese architectural form like an archway
Towns Pailou, Chizhou, in Guichi, Chizhou, Anhui Pailou, Hubei, in Dongbao District Pailou, Liaoning
Townships Pailou Township, Qianshan County, in Qianshan, Anhui Pailou Township, Weichang County, in Weichang Manchu and Mongol Autonomous County, Hebei
Villages Pailou, Shawo Township, in Shawo Township, Hubei