The general led the army in the May coup that ousted Yingluck Shinawatra's civilian government
Thailand's junta leader Prayuth Chan-ocha has been named the new prime minister of the southeast Asian nation.
Gen Prayuth, 60, was nominated on Thursday in a legislature hand-picked by the junta and made up of mostly military and police figures.
The general was the head of the army when he led a dramatic coup in May.
It followed months of intense political deadlock between Yingluck Shinawatra's government and opposition parties that resulted in protests and clashes.
Gen Prayuth was chosen after all 197 members of Thailand's National Assembly cast their votes on Thursday morning.
The BBC's Jonathan Head in Bangkok says the vote in Parliament was little more than a formality, lasting just 15 minutes, as Gen Prayuth was the only candidate.