Tan Dinh may refer to several places in Vietnam:
Tân Dĩnh, a commune of Bắc Ninh province, previously part of Lạng Giang district Tân Định, Ho Chi Minh City, a ward and neighborhood just northwest of downtown Saigon Tân Định Church, the main Catholic church of the neighborhood, known for its iconic pink color Tân Định, Khánh Hòa, a commune in the former Ninh Hòa town