Declan Sinnott (born 29 July 1950) is an Irish musician and record producer.
Originally from Wexford town, where his father was an optician and jeweller on Main Street, he came to Dublin in the late 1960s.
Around 1970, he was a member of the poetry-and-music group Tara Telephone, in which he composed, sang, and played guitar. He and poet/percussionist Eamon Carr left Tara Telephone to form the Celtic Rock band Horslips, which Sinnott left in 1972, before the recording of... plus