Alexander Waugh (born 1963) is an English writer, critic, journalist, composer, cartoonist, record producer and television presenter. He is most known for his biography of Paul Wittgenstein (The House of Wittgenstein: A Family at War) published in 2009.
He is the grandson of Evelyn Waugh, the eldest son of Auberon Waugh, and the brother of Daisy Waugh. He was educated at the University of Manchester and University of Surrey where he gained degrees in Music. Alexander Waugh was the Chief Opera Critic of the Mail on Sunday (1990–91) and of The Evening Standard (1991-1996). His books on music include Classical Music: A New Way of Listening (1995) and Opera: A New Way of Listening (1996). He reviews non-fiction books regularly for the British press and has contributed cartoons to The Literary Review and The Daily Telegraph. His books Time (1999) and God (2002) are written in a type of prose that uses irony and wit to impart condensed information. His biography Fathers and Sons (2004) is a portrait of the male relations across five generations in his own family. It was made into 90-minute BBC documentary film in 2005. In 2006 he presented the BBC television documentary "The Piano – A Love Affair". His theatre piece Bon Voyage! (co-written with his brother Nathaniel Waugh) won the 12th Vivian Ellis Award for Best New Musical.