Edgar Imant Silinsh (Latvian: Edgars Imants Siliņš, Russian: Эдгар Александрович Силиньш, Edgar Aleksandrovich Silinsh); 21 March 1927 – 26 May 1998) was a Soviet and Latvian scientist in the field of semiconductor physics and philosophy of science, academician of the Latvian Academy of Sciences (1992).