Abstract: A hat holder and merchandise display unit has a hat holder member with a curved hat brim supporting section and a vertical wall section perpendicular with and extending downwardly from the hat brim supporting section. The wall section of the hat holder member has a central slot bordered by inwardly extending sidewalls configured to accept an attachment tongue from a merchandise display member having a display section. Once the attachment tongue of the merchandise display member is positioned within the wall section slot, the merchandise display member is rigidly secured to the hat holder member to form a single hat holder and merchandise display unit.