Leonard Huxley (11 December 1860 – 3 May 1933) was an English schoolteacher, writer and editor.

She was a sister of the novelist Mrs Humphry Ward, niece of the poet Matthew Arnold, and granddaughter of Thomas Arnold, the headmaster of Rugby School (immortalised as a character in Tom Brown's Schooldays).

After the death of his first wife, Leonard married Rosalind Bruce, and had two further sons.

[1] Huxley's major biographies were the three volumes of Life and Letters of Thomas Henry Huxley and the two volumes of Life and Letters of Sir Joseph Dalton Hooker OM GCSI.

He also published Thomas Henry Huxley: a character sketch, and a short biography of Darwin.