Bismar Siregar (15 September 1928 in Sipirok, South Tapanuli, North Sumatra - 19 April 2012 in Jakarta) is a former Judge Supreme Supreme Court. He became Chief Justice in 1984 and resigned in 2000.
Siregar is an alumnus of University of Indonesia and started his career as a prosecutor for The State Attorney Kilkenny in 1957 and continued until 1959 in the State Attorney Makassar / Ambon in 1959 up to 1961's career as a judge began in 1961 in the District Court Pangkalpinang.
He was bleeding in the head with a sudden loss of consciousness before 16 April 2012 when painting at home. He finally died on Thursday, 19 April 2012 at 12:25 pm in Fatmawati Hospital.