St. John is an upscale, luxury American brand for formal wear, founded in 1962 by Robert and Marie Gray.

Headquartered in Irvine, California, the brand has its collections and styles sold in specialty stores in 29 countries and 31 company-owned retail boutiques in the US.

Beginning in Spring of 2006, Angelina Jolie became the new face and spokeswoman for St. John.