Outer Critics Circle Award for Outstanding Costume Design
The Outer Critics Circle Award for Outstanding Costume Design is an honor presented at the Outer Critics Circle Awards, a ceremony established in 1950 for excellence in Broadway and Off-Broadway productions, to costume designers of any production. The category was added to the ceremony in 1988 as "Best Costume Design" before being changed to "Outstanding Costume Design" in 1999.
William Ivey Long has received the most wins and nominations, winning six out of 16 nominations. Others with multiple wins include Gregg Barnes with three wins, and Florence Klotz and Tim Hatley with two wins each. Behind Long in nominations is Catherine Zuber with 12 nominations and Martin Pakledinaz with eight nominations.
Award winners and nominees
;Key1980s
| Year | Name | Work | |
| 1988 | - | - | - |
| 1988 | John Wulp | The Phantom of the Opera | |
| 1989 | - | - | - |
| 1989 | William Ivey Long | Lend Me a Tenor |
Multiple wins
;6 wins;3 wins
;2 wins
Multiple nominations
;16 nominations;12 nominations
;8 nominations
;7 nominations
;5 nominations
;4 nominations
;3 nominations
;2 nominations
- Florence Klotz
- Theoni V. Aldredge
- Roger Kirk
- Lez Brotherston
- William Dudley
- Anthony Ward
- Susan Hilferty
- Jess Goldstein
- Emilio Sosa
- Jeff Mahshie
- Dede M. Ayite
- Enver Chakartash