The stabbing in the 2300 block of Ridge View Drive was reported at about 11 p.m. Wednesday, according to San Diego police Lt. Paul Rorrison.
When police arrived, they found a 23-year-old man lying on the sidewalk. He had been stabbed multiple times in the upper body, Rorrison said.
The victim, who was a resident of the neighborhood, was taken to Scripps Mercy Hospital, where he died, Rorrison said.
Police were canvasing the neighborhood in an attempt to find witnesses to the fight.