Queen Insun (Korean: 인순왕후 심씨; 27 June 1532 – 12 February 1575), of the Cheongsong Sim clan, was a posthumous name bestowed to the wife and queen consort of Yi Hwan, King Myeongjong.
Through her mother, she was a 5th great-granddaughter of Queen Wongyeong and King Taejong; through her 4th great-grandfather, Grand Prince Hyoryeong.
In April 1542, Lady Sim was arranged to marry Grand Prince Gyeongwon; the only son of King Jungjong and Queen Munjeong.
Lady Sim was given the title of Princess Consort (부부인).
Her reign as Queen Dowager lasted 8 years as she died on 12 February 1575 within Changgyeonggung's Tongmyeong Hall.