Fashion designers

Clothes designers
Couturiers
Custom garment designers
Dress designers

Costume designers.

Work cat.: Riehecky, J. Carolina Herrera : international fashion designer, 1991.
Dict. of occ. titles, 4th ed.: p. 82 (clothes designer, fashion designer: designs men's, women's, and children's garments, shoes, and handbags ... may design custom garments for clients and be designated Custom garment designer ... may conduct research and design authentic period, country, or social class costumes to be worn by motion picture, television, concert, state and other media performers and be designated Costume designer)
Hennepin (fashion designers)

Here are entered works on persons who design clothing and accessories for personal wear. Works on persons who design costumes for the stage, screen, or special events are entered under