Aly Bain MBE (born 15 May 1946) is a Scottish fiddler who learned his instrument from the old-time master Tom Anderson.

Simultaneously, Bain pursued a solo career in collaborative and television projects with Pelicula Films director Mike Alexander and producer Douglas Eadie, working on several international television series: The Down home Recordings (which described how fiddling music spread from Scotland and Ireland to America[6]), The Shetland Sessions (recorded at the Shetland folk festival in 1991[6]), Aly Meets The Cajuns, and six series of the Transatlantic Sessions.

[7] Since the early eighties, Bain has regularly collaborated and recorded with prominent, international musicians, including: Phil Cunningham, Jerry Douglas, Emmylou Harris, Norman Blake, Mark O'Connor, Jay Ungar, Mary Black, Mairéad Ní Mhaonaigh, Dan Tyminski, Rosanne Cash, James Taylor, Eddi Reader, Paul Brady, Darrell Scott, Michael Doucet, Martha Wainwright, Kate & Anna McGarrigle, John Martyn, Danny Thompson, Iris DeMent, Karen Matheson, Karan Casey, Donal Lunny, Joan Osborne, Allison Moorer, Bruce Molsky and Allan MacDonald, bringing traditional music to a wider audience.

[10] In 2010, Bain made a further hour-long television programme for BBC with Pelicula Films and Billy Connolly: Fishing for Poetry, celebrating the life and works of the Scottish Poet Norman MacCaig.

[17] On 27 November 2007, Bain and Cunningham were awarded Doctor of Letters from Glasgow Caledonian University for their contributions to music and to the education and encouragement of young musicians.

[21] In 2009 Paidriag O'Keefe's/Con Cassidy's from In The Tradition was included in Topic Records 70 year anniversary boxed set Three Score and Ten as track fourteen on the third CD.