The victim was identified as Usman Duworbasor, 37, an assistant village headman of Tambon Korlum in Yarang.
Pol Col Wasant Puangnong, chief of Yarang police station, said the shooting occurred about 2.45pm at a noodle shop in Ban Pong Sata of Yarang.
According to witnesses, Usman was having noodle inside the shop when two men arrived on a motorcycle. One of them approached him and opened fire at him with a handgun.
Usman took bullets to his torso. He was taken to Yarang hospital, where he was later pronounced dead.
Police were investigating.