Charles Julian Tennyson (1915–1945) was an English writer and historian most famous for his writings on his home county of Suffolk.
He was the second son of Sir Charles Tennyson and his wife Lady Ivy Gladys (née Pretious), and the great-grandson of Alfred Tennyson, the Victorian poet laureate. Tennyson is most famous for his 1939 book Suffolk Scene, which documents the author’s travels and experiences in Suffolk during the 1930s.