Marcus William Turner (16 February 1956 – 2 February 2016) was a New Zealand singer-songwriter and folk musician. He performed at folk festivals in New Zealand, Australia, and overseas. He was also a presenter in the TVNZ children's television programmes Spot On, How's That and Play School (in the latter of which he was also a director).
Turner lived on the Otago Peninsula, near Dunedin, New Zealand. He died in early February 2016.