Ken Terajima (寺島健, Terajima Ken, 23 September 1882 – 30 October 1972) was a Japanese Vice Admiral and politician. He was also known for serving as the Minister of Communications from 18 October 1941 to 8 October 1943, and Minister of Railways from 18 October 1941 to 2 December 1941, in the Tōjō Cabinet.