Chuang Chu Yu-nu (Chinese: ????; pinyin: Zhuang Zhu Yùnu; Pe?h-oe-ji: Chng-Chu Gio?k-lú; 4 September 1920 – 13 February 2015) was a philanthropist in Taiwan, who was called "the patron saint of poor people".
She was known for selling her "10-dollar buffet" (Taiwan Dollar, around USD 0.3~0.4), and was given the nickname "Ten Dollar Grandma" (????) or "Ten Dollar Bento Grandma" (??????).