Mauricio Dominguez, 20, of Vallejo, was found down in the 200 block of Arkansas Street suffering from multiple gunshot wounds around 1:50 a.m., Vallejo police said.
He was pronounced dead at the scene.
Another person was also down on the street with multiple gunshot wounds. He was taken to a hospital and remains in critical condition this morning, police said.
His identity is being withheld, police said.
Police said witnesses described the shooting as a drive-by. A gray or silver compact car was seen leaving the area of the shooting.
Anyone with information about the shooting is asked to call Vallejo police detectives Drew Ramsay or Raul Munoz at (800) 488-9383.