St. Louis Blues (1929): the only short movie with Bessie Smith

Sounder (1972)

Lady Sings The Blues (1972): about Billie Holiday

Leadbelly (1976): biographical film about Huddie William Ledbetter

The Blues Brothers (1980)

Streets of Fire (1984)

Crossroads (1986): directed by Walter Hill, about a "deal with the devil", with a soundtrack by Ry Cooder and a guitar duel between Ralph Macchio and Steve Vai

Mo' Better Blues (1990)

The Search for Robert Johnson (1991): documentary aiming to discover facts and myths about the infamous blues guitarist

Blues Brothers 2000 (1998)

O Brother, Where Art Thou? (2000)

The Blues, a Musical Journey (2003): Martin Scorsese produced seven documentaries about the blues:

Feel Like Going Home (Martin Scorsese): about the African origins of the blues

The Soul of a Man (Wim Wenders): about Skip James, Blind Willie Johnson and J. B. Lenoir

The Road to Memphis (Richard Pearce) : focuses on B. B. King's contributions

Warming by the Devil's Fire (Charles Burnett): fiction on a blues-based theme

Godfathers and Sons (Marc Levin): about Chicago blues and hip-hop

Red, White & Blues (Mike Figgis): about British blues-influenced music (e.g., Tom Jones, Van Morrison)

Piano Blues 2003 (Clint Eastwood): focuses on blues pianists such as Ray Charles and Dr. John

Ray (2004)

Richard Johnston: Hill Country Troubadour (2005): Max Shores documentary about R. L. Burnside, Jessie Mae Hemphill, Junior Kimbrough, Richard Johnston, and other north Mississippi hill country blues musicians

You See Me Laughin' (2005): directed by Mandy Stein, documentary that takes a look at the often untamed lifestyles of the last great North Mississippi bluesmen and the Oxford, Mississippi?based label (Fat Possum Records) that struggles to record them

Black Snake Moan (2007)

Honeydripper (2007)

Cadillac Records (2008)

Who Do You Love? (2008)

https://en.m.wikipedia.org/wiki/List_of_films_about_blues_music