Chad Ryan Billingsley (born July 29, 1984) is an American retired professional baseball right-handed starting pitcher. He has played in Major League Baseball (MLB) for the Los Angeles Dodgers from 2006 through 2013 and Philadelphia Phillies in 2015. He was an MLB All-Star in 2009.

Billingsley attended Defiance High School in Defiance, Ohio, and played for the school's baseball team. Billingsley was a high school teammate of Pittsburgh Pirates pitcher Jon Niese. As a senior, in 2003, Billingsley pitched in 11 games and had a 6–1 win–loss record and a 1.49 earned run average (ERA) with 113 strikeouts and 16 walks in 56 innings pitched.

He also played American Legion Baseball in Ohio and was named the organization's Graduate of the Year for 2013.

He pitched three games and went 3–0 with a 2.45 ERA for Team USA, which won the bronze medal in the 2002 World Junior Baseball Championship in Sherbrooke, Quebec. He committed to attend the University of South Carolina.

The Los Angeles Dodgers selected Billingsley in the first round, with the 24th overall selection, in the 2003 Major League Baseball draft. He signed with the Dodgers, receiving a signing bonus of $1,375,000.