Thao Thep Krasattri (ท้าวเทพกระษัตรี 1735 – 1792) and Thao Si Sunthon (ท้าวศรีสุนทร), formerly Khun Ying Chan (คุณหญิงจัน) and Khun Ying Muk (คุณหญิงมุก), respectively, are Thai national heroines who were known for their important roles in successfully repelling the Burmese Invasion of Thalang (modern Phuket) in 1786.