Liam O'Flynn (Irish: Liam Ó Floinn, 15 April 1945 – 14 March 2018) was an Irish uilleann piper and Irish traditional musician. In addition to a solo career and his work with the group Planxty, (in 1972, O'Flynn co-founded the Irish traditional music group Planxty), O'Flynn recorded with many international musical artists, including Christy Moore, Dónal Lunny, Andy Irvine, Kate Bush, Mark Knopfler, the Everly Brothers, Emmylou Harris, Mike Oldfield, Mary Black, Enya and Sinéad O'Connor.