Yi Gwang-sik (Korean: 이광식; Hanja: 李光軾; 29 September 1493 – 1 December 1563), was a Korean politician and general during the Joseon period. He was famed for his victories against the Japanese navy during the Eulmyowaebyeon (을묘왜변) war of 1555.

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In 1543 he was given the title of Naval Commander (병마절도사) of Pyongan Province.