Tito Ortiz: Cited for Battery on Woman ... In Vegas Club Incident

MMA star Tito Ortiz was cited for misdemeanor battery early this morning after allegedly getting physical with a woman inside of a Vegas nightclub ... TMZ Sports has learned.

Here's what we know ...

Cops were called to Drai's Nightclub inside The Cromwell hotel around 1 AM -- where a woman claimed Ortiz got physical with her and tried to rip her phone away.

The woman tells TMZ Sports she had been taking pics inside the club earlier in the evening -- and she believes Tito must have thought she was trying to snap shots of him.

The woman claims Tito tried to "whip her around" -- and the incident was so frightening, she was "scared for [her] life."

When cops arrived to the scene, Tito was NOT arrested -- however, he was cited for misdemeanor battery.

We're told the woman is lawyering up -- and is considering her legal options.