Edgar Cárdenas (born 16 September 1974) is a Mexican former professional boxer who competed from 1991 to 2004. He is a former WBC Continental Americas light flyweight, WBO NABO light flyweight, and the IBF minimumweight champion.
In December 2000, Edgar won the WBO NABO light flyweight title with a seventh round T.K.O. of veteran Alfredo Virgen.
On 31 May 2003 Cárdenas won the IBF minimumweight title by upsetting an undefeated Miguel Barrera; Barrera would never fight again.