Arlington police say the shootings happened Sunday after a fight that started inside the club and then moved to the parking lot.
Witnesses told police that a man in a pickup reached out the passenger window and opened fire, striking the victims.
Investigators say 22-year-old Zadric Walker of Fort Worth died at a hospital.
Authorities say the other two men suffered injuries that are not believed to be life threatening. Further details on their injuries were not immediately available.
Police are trying to determine what started the argument.