The Renault 21 is a large family car produced by French automaker Renault between 1986 and 1994. It was also sold in North America initially through American Motors dealers as the Renault Medallion and later through Jeep-Eagle dealers as the Eagle Medallion. A total of 2,096,000 units were produced.

The D-segment is the 4th category of the European segments for passenger cars, and is described as "large cars".