Alexander Waugh (1963–2024) was an English author, literary critic, and journalist who wrote Fathers and Sons: The Autobiography of a Family and several books on music, as well as Time, God, and The House of Wittgenstein. He was the grandson of Evelyn Waugh and the son of columnist Auberon Waugh and novelist Teresa Waugh. He was the opera critic at the London Mail on Sunday and the Evening Standard.