The discography of American country and bluegrass singer Alison Krauss consists of fourteen studio albums—five solo, seven with her group Union Station, and three collaboration albums (one with The Cox Family, the others with former Led Zeppelin frontman Robert Plant).

In addition, she has appeared on numerous soundtracks, and helped renew interest in bluegrass music in the United States.

Her soundtrack performances have led to further popularity, including the O Brother, Where Art Thou?

soundtrack, which won the Grammy Award for Album of the Year in 2002 and is also credited with raising American interest in bluegrass, and the Cold Mountain soundtrack, which led to her performance at the 2004 Academy Awards.

It became a worldwide hit, charting within the Top 10 of several countries, including a number-one peak in Norway.