Betty Jane Willis was an American visual artist and graphic designer. Born in Overton, Nevada, she is best known for having been the designer of the Welcome to Fabulous Las Vegas sign, and has been attributed to being an influencer in defining modern Las Vegas' visual image.

Overton is a community that is part of the unincorporated town of Moapa Valley in Clark County, Nevada. Overton is on the north end of Lake Mead. It is home to Perkins Field airport and Echo Bay Airport.