Gustav Sinaga (23 September 1939 – 29 October 1991) was a Simalungun politician and bureaucrat person who served as the Regent of North Tapanuli from 1984 until 1989.
[1] Sinaga began his career as an employee for financial and administration affairs in the office of the Governor of North Sumatra.
On 1 April 1977, he was appointed as the head of the Bureau, and in 1982, he became an assistant to the Regional Secretary of North Sumatra.
[1] During his term, Sinaga began to attract investment into North Tapanuli.
He died on 29 October 1991 after attending the inauguration for the new office of the Government Tourism Bureau in Pancing Street, Medan.