Spanx, Inc. is an American underwear maker focusing on shaping briefs and leggings, founded in Atlanta, Georgia. The company manufactures mainly pantyhose and other underwear for women and, since 2010, produces male underwear as well. Spanx specializes in foundation garments intended to make people appear thinner or more shapely.

Sara Treleaven Blakely is an American businesswoman and philanthropist. She is the founder of Spanx, an American intimate apparel company with pants and leggings, founded in Atlanta, Georgia. In 2012, Blakely was named in Time magazine's "Time 100" annual list of the 100 most influential people in the world. In 2014, she was listed as the 93rd most powerful woman in the world by Forbes.