John Travolta says the lawsuit claiming he sexually assaulted a masseur is a total lie ... and that he was 2,475 miles from the place it supposedly happened.
Travolta's rep tells TMZ ... John was on the East Coast the day the masseur claims John got on the massage table and, among other things, allegedly grabbed the guy's penis and then masturbated.
The statement says, "This lawsuit is a complete fiction and fabrication. None of the events claimed in the suit ever occurred."
The statement notes, the masseur didn't disclose his name in the lawsuit -- he sued as "John Doe."
John is confident he will get the case thrown out and will sue the attorney and the masseur for malicious prosecution.