is a Japanese retired professional shogi player who achieved the rank of 8-dan.
In April 2024, the posted on its official website that Murooka had met the requirements for mandatory retirement for "Free Class" players and that his retirement would become official upon completion of his last scheduled official game of his current playing schedule. On June 19, 2024, the JSA announced that Murooka's retirement became official the prior day after his loss to Reo Okabe in a 37th Ryà «à  Group 6 game. Murooka finished his career with a record of 454 wins and 642 losses for a winning percentage of 0.414.
Murooka's promotion history is as follows: