Murata Tetsuko (村田 鉄子, Murata Tetsuko) is a swordsmith in Edo. She is the daughter of the renowned swordsmith Murata Jintetsu 村田 仁鉄, and younger sister of Murata Tetsuya 村田 鉄矢, both of which are deceased. She has helped Sakata Gintoki and the Yorozuya at several occasions.