Daniel David Kirwan (13 May 1950 – 8 June 2018) was a British musician whose greatest success came with his role as guitarist, singer and songwriter with the blues rock band Fleetwood Mac between 1968 and 1972. He released three albums as a solo artist from 1975 to 1979, recorded albums with Otis Spann, Chris Youlden, and Tramp, and worked with his former Fleetwood Mac colleagues Jeremy Spencer and Christine McVie on some of their solo projects.
He is also known as Daniel David Kirwan.
Danny Kirwan died in London, England, on 8 June 2018, aged 68. An obituary in The New York Times quoted Kirwan's former wife as saying that he had died in his sleep "after contracting pneumonia earlier in the year and never fully recovering from it."