Lili Simmons is an American actress from San Diego, California.

Simmons began her career as a Ford Model, also modelling for Bebe Stores and Roxy and appearing in commercials and print ads for companies like J.C. Penney and Saturn. She moved into acting in 2010 on the web series Hollywood Is Like High School with Money, based on the book of the same name, playing Quinn Whitaker. She also appeared in an episode of the Disney XD sitcom Zeke and Luther and then in the 2011 Disney Channel Original Movie Geek Charming. Also that year, she had a small role in an episode of the sitcom Mr. Sunshine.

In 2012, she starred in the film Fat Kid Rules the World and an episode of Jane by Design. In 2013, she appeared in an episode of Vegas and began playing Rebecca Bowman, a rebellious Amish girl on the Cinemax series Banshee.

In 2014, she had recurring roles on Hawaii Five-0, and the HBO series True Detective. She has a role in the upcoming film The Guilty Innocent.