Daniel Jiménez Román (born November 21, 1969) is a Puerto Rican former professional boxer who competed from 1988 to 2002.
Jimenez, known as "La Cobra", turned pro in 1988, losing his first fight to Wilfredo Vargas.
In 1993, he captured the WBO super bantamweight title with a win over Duke McKenzie.
He moved down in weight after the loss and defeated WBO bantamweight title holder Alfred Kotey by decision.
On September 3, 1994, Daniel Jiménez established a world record for the quickest knockout in a championship fight, defeating Harald Geier in 17 seconds.