Luna wrestled for the WWE from 1993 to 2000 ... and had gained notoriety as Bam Bam Bigelow's "main squeeze."
So far, no cause of death has been determined.
UPDATE: According to law enforcement sources, Luna's body was discovered by her mother around 10 AM this morning.
We're told authorities currently do not believe there was any foul play involved -- but an autopsy is scheduled for tomorrow.
Story developing ...