Spud is a 2005 novel by South African author, actor, playwright and producer, John van de Ruit. A comedic sometimes sad yet straight forward novel that captures the humor of life in boarding school, through the diary of John 'Spud' Milton. The book is written in the style of a diary. The story begins on the morning of Spud's first day at a private boarding school, following his year and experiences with the often eccentric characters found in the school environment. The diary also follows Spud's family life.

Michaelhouse is a full boarding senior school for boys founded in 1896. It is located in the Balgowan valley in the Midlands of KwaZulu-Natal, South Africa.