Sím Koat (沈括; 1031 nî - 1095 nî), pió-jī Chûn-tiong (存中), Bōng-khe tiōng-jîn (夢溪丈人), sī Tiong-kok Sòng-tiâu ê kho-ha̍k-ka, Bōng-khe Pit-tâm (夢溪筆談) ê chok-ka.

Sím Koat.