Masakatsu Hikosaka (彦坂 匡克, Hikosaka Masakatsu, born January 18, 1991) is a Japanese rugby sevens player. He competed at the 2016 Summer Olympics for Japan's rugby sevens team. He also won a gold medal at the 2014 Asian Games in Incheon, South Korea as a member of the Japanese squad. He plays in the Top League for Toyota Verblitz.