Michael David d'Abo is an English singer and songwriter, best known as the lead vocalist of Manfred Mann from 1966 to their dissolution in 1969, and as the composer of the songs "Handbags and Gladrags" and "Build Me Up Buttercup", the latter of which was a hit for The Foundations. With Manfred Mann, d'Abo achieved six top twenty hits on the UK Singles Chart including "Semi-Detached, Suburban Mr. James", "Ha! Ha! Said the Clown" and the chart topper "Mighty Quinn".

Manfred Mann were an English rock band, formed in London and active between 1962 and 1969. The group were named after their keyboardist Manfred Mann, who later led the successful 1970s group Manfred Mann's Earth Band. The band had two different lead vocalists, Paul Jones from 1962 to 1966 and Mike d'Abo from 1966 to 1969.