Grease Monkey is a chain of automotive service centers, found mainly in the USA and Mexico, run as independent franchises.
The concept business was founded in 1978 and has concentrated on 'while you wait' oil-changes and lubrication to customer vehicles. The business is currently headquartered in Denver, CO.
As of 2008, there were more than 200 locations, with franchises still being sold to those with sufficient capital. In 2008, Grease Monkey also opened their first automotive service centers in China.