William Aditya Sarana

William Aditya Sarana (born 2 May 1996) is an Indonesian politician of the Indonesian Solidarity Party who currently serves as a member of the Jakarta Regional House of Representatives. He is head of his party's faction within the legislature. Early life Sarana was born on 2 May 1996 in Jakarta. He studied at the in Kalideres, West Jakarta, and later studied law at the University of Indonesia (UI). In 2018, as an UI student, he petitioned the Constitutional Court of Indonesia for a judicial review of the Terrorism Law of 2018, raising concerns over the law's definition of "radicalism". He took part in a student exchange program to the University of Malaya.

At the beginning of his tenure, Sarana publicly denounced several unusual items in the annual budget – namely, Rp 82 billion (~USD 6 million) item for glue and Rp 124 billion (~USD 9 million) item for ballpoints. The municipal government attributed the budget items to an input mistake. Following the departure of PSI's faction head Anggara Wicitra Sastroamidjojo to the National Mandate Party, Sarana became PSI's faction head.

He ran for a second term from the same electoral district in the 2024 legislative election, and was reelected with 39,720 votes, the highest of all candidates. He endorsed Ganjar Pranowo in the 2024 presidential election, while his party supported Prabowo Subianto.