Yapto Soerjosoemarno, full name KRT. Yapto Soelistyo Soerjosoemarno, S.H, is an Indonesian politician who is known as the leader of Pemuda Pancasila (Pancasila Youth), an organization of quasi-official political gangsters that supported the New Order military dictatorship of Soeharto, while also engaging in other lucrative but non-official criminal acts. Pemuda Pancasila played an important role in supporting Soeharto's military coup in 1965: they ran death squads for the Indonesian army, murdering thousands of alleged communists across the province of North Sumatra.