Dohnyale Sharon "Deni" Hines (born 4 September 1970) is an Australian singer who has been releasing music since the early 1990s, with chart success in Australia, New Zealand, Japan and Europe. She is the daughter of American-born Australian singer Marcia Hines.

Hines released her first single with the Australian band Rockmelons with a cover version of the Bill Withers 1971 hit "Ain't No Sunshine". She then went on to release solo material, including the top-five single "It's Alright" and the top-20 album Imagination (1996), which sold more than 55,000 copies worldwide. A remix album, which included brand-new tracks, became Remix Your Imagination. Her third studio album was titled Water for Chocolate, which was released on 19 August 2006 and features the singles "Water for Chocolate", "Son of a Preacher Man" and "5 Days of Rain".

In 2007, Hines recorded a successful jazz album with Australian jazz artist James Morrison. The pair toured Australia to sold-out shows. In 2012, she played singer Neri Rogers in "The Green Mill Murder", S1:E3 of Miss Fisher's Murder Mysteries. On 18 November 2016, her fourth studio album, The Soul Sessions, was released, with the lead single "What About Love" co-written by Hines and Edward Said. In 2019, Hines competed on The Masked Singer under the alias of Unicorn. She was knocked out in finals week and ended up placing fourth.