The Doughnut in Granny's Greenhouse is the second album by the British comedy rock group Bonzo Dog Doo-Dah Band. In the United States, it was released as Urban Spaceman and added their U.K. hit single "I'm the Urban Spaceman" to the track listing.

The Bonzo Dog Doo-Dah Band was created by a group of British art-school students in the 1960s. Combining elements of music hall, trad jazz and psychedelia with surreal humour and avant-garde art, the Bonzos came to public attention through appearances in the Beatles' 1967 film Magical Mystery Tour and the 1968 ITV comedy show Do Not Adjust Your Set.