The 18th Costume Designers Guild Awards, honouring the best costume designs in film and television for 2015, were given in 2016.^[1] The nominees were announced on January 7, 2016.^[2]

• Winner - Beasts of No Nation - Jenny Eagan
  • Joy - Michael Wilkinson
  • Kingsman: The Secret Service - Arianne Phillips
  • The Martian - Janty Yates
  • Youth - Carlo Poggioli

• Winner - Mad Max: Fury Road - Jenny Beavan
  • Cinderella - Sandy Powell
  • Ex Machina - Sammy Sheldon Differ
  • The Hunger Games: Mockingjay – Part 2 - Kurt Swanson and Bart Mueller
  • Star Wars: The Force Awakens - Michael Kaplan

• Winner - The Danish Girl - Paco Delgado
  • Brooklyn - Odile Dicks-Mireaux
  • Carol - Sandy Powell
  • Crimson Peak - Kate Hawley
  • Trumbo - Daniel Orlandi

• Winner - American Horror Story: Hotel - Lou Eyrich
  • Empire, Season 1 - Rita McGhee
  • House of Cards - Johanna Argan, Kemal Harris
  • Ray Donovan - Christopher Lawrence
  • Transparent - Marie Schley

• Winner - Game of Thrones - Michele Clapton
  • Once Upon a Time - Eduardo Castro
  • Sleepy Hollow, Season 2 - Kristin M. Burke, Mairi Chisholm
  • Sleepy Hollow, Season 3 - Mairi Chisholm
  • The Wiz Live! - Paul Tazewell

• Winner - The Knick - Ellen Mirojnick
  • Mad Men - Janie Bryant, Tiffany White Stanton
  • Masters of Sex - Isis Mussenden
  • Outlander - Terry Dresbach
  • Penny Dreadful - Gabriella Pescucci

• Winner - "The Most Interesting Man in the World Wins on Land, Sea & Air," Dos Equis Commercial – Julie Vogel
  • "And So It Begins," Old Spice Commercial – Mindy Le Brock
  • "From the Makers of Happy & Merry, H&M Presents Katy Perry" Commercial – B. Åkerlund
  • The Hobbit: Kingdoms of Middle-earth – Dance Battle, Video Game, Kaboom/Warner Interactive Commercial – Soyon An
  • Kevin Spacey, E-Trade Commercial – Johanna Argan