Austin Lee Russell (born September 8, 1982), better known by his stage name Chumlee, is an American businessman and reality television personality, best known for his appearances on the History Channel television show Pawn Stars, which depicts day-to-day business at the Gold and Silver Pawn Shop in Las Vegas where he works. Chumlee went to work at the pawn shop five years before filming the first season, having been a childhood friend of Corey Harrison whose father and grandfather founded the shop.

Chumlee is often portrayed on the show as the comic foil, but he often appraises items in his areas of expertise, including pinball machines, sports memorabilia, sneakers, toys, and video games.

Russell was born on September 8, 1982, in Henderson, Nevada. When he was about 12 years old, he was given the nickname "Chumlee" due to his large face and chin, which prompted the father of one of his friends to remark that he looked like Chumley, the walrus from the animated TV series Tennessee Tuxedo.

As a child, he became good friends with Corey Harrison, whose father, Rick Harrison, and grandfather, Richard Harrison, opened the Gold & Silver Pawn Shop in 1989.

Chumlee began working for the Gold & Silver Pawn Shop at age 21. He worked there for five years before filming the first season of the reality television series Pawn Stars in July 2009. His duties include behind-the-counter work at the shop, such as testing items, loading items, and writing tickets for items purchased by customers.

In the series, he is depicted as the comic foil, often made the butt of the others' jokes for his perceived lack of intelligence and his incompetence, for which he has been referred to as a "village idiot". Chumlee has responded by explaining that he is underestimated and points to his expertise in pinball machines, which he utilizes in the second-season episode "Pinball Wizards", much to Corey's surprise, as an example of an area in which he is knowledgeable.

Chumlee emerged as the breakout cast member, and a fan favorite of the series. As a result of the show's success, he formed his own company selling novelty items of his own design and arranged his personal appearances. He sold half of his stake in the company in 2010 to Rick Harrison for $155,000, so that the shop could handle orders of his merchandise more efficiently. Chumlee's sales of merchandise have surpassed other stars of the show due to his popularity.

Chumlee appeared as himself, alongside Rick and Corey Harrison, in the episode "iLost My Head in Vegas", on the American TV series iCarly.