Adam Carter Steffey (born November 24, 1965) is an American mandolin player, best known for playing in the bluegrass and old-time styles. He spent time as a member of bands such as Alison Krauss & Union Station, Mountain Heart, Lonesome River Band, the Dan Tyminski Band, the Boxcars, and the Isaacs. He was most recently a member of the Highland Travelers, which announced on November 15, 2018, that they were disbanding, with Steffey pursuing an alternative profession other than music.