Otagaki Rengetsu (1791-1875) was a nun, poet, and ceramic artist of the late Edo period. Her popular name was Makoto. She was also called Bodhisattva nun and Yintoku nun. Born in Kyoto. Her father was Ryosei Todo, the feudal lord of Ueno in Iga Province. She was adopted by Mitsuko Otagaki, who served as the head priestess of Chion-in Temple. After the death of her husband, she became an ordained Buddhist priestess and took the name Rengetsu. She was also a potter, and some of her poems are embossed on her pottery, which is called Hasugetsuyaki.