Ferrera, 27, is best known for her work on TV's "Ugly Betty" and the "Sisterhood of the Traveling Pants" movies.
Her representative told People.com she married Williams Monday night in "an intimate setting amongst close friends and family."
"The bride wore a dress by Amsale's Christos label and Fred Leighton earrings," the publicist added.
No other details regarding the ceremony were immediately released.
Notable deaths of 2014 [PHOTOS]