Drama Desk Award for Outstanding Costume Design of a Musical

The Drama Desk Award for Outstanding Costume Design for a Musical is an annual award presented by Drama Desk recognize achievements in theatre across collective Broadway, off-Broadway and off-off-Broadway productions in New York City.

The award was established in 1969, with the Drama Desk Award for Outstanding Costume Design being presented each year to any play or musical production. Starting in 2016, the singular award was replaced by separate play and musical categories.