Empress Tá Thiên (Vietnamese: Tá Thiên Nhân hoàng hậu; 佐天仁皇后, 1791–1807), born Hồ Thị Hoa (胡氏華), was the first wife of Nguyễn Phúc Kiểu (future Emperor Minh Mạng) and mother of Nguyễn Phúc Tuyền, future Emperor Thiệu Trị.
After marriage, she got the favor from Emperor Gia Long and Empress Thuận Thiên, because of her talent and virtue.
[3] On June 15, 1807, She gave birth to the only son Nguyễn Phúc Tuyền, who is the future Emperor Thiệu Trị.
Nguyễn Phúc Kiểu began his reign since 1820 and became Emperor Minh Mạng.As his first consort,Hồ Thị Hoa was posthumously honoured as Thuận Đức chiêu nghi (順德昭儀) in the next year.
[3] Hồ Thị Hoa was honoured as Empress Tá Thiên by her son Nguyễn Phúc Tuyền, Emperor Thiệu Trị.