The Rancho Cucamonga Quakes are a Minor League Baseball team of the California League and the Single-A affiliate of the Los Angeles Dodgers. They are located in Rancho Cucamonga, California, and play their home games at LoanMart Field.

Single-A, formerly known as Class A and sometimes as Low-A, is the fourth-highest level of play in Minor League Baseball in the United States, below Triple-A, Double-A, and High-A. There are 30 teams classified at the Single-A level, one for each team in Major League Baseball (MLB), organized into three leagues: the California League, Carolina League, and Florida State League.