Former WWE Diva Tammy Sytch -- who wrestled under the name Sunny -- was arrested in Connecticut yesterday ... her FOURTH arrest in FOUR WEEKS.

TMZ has learned ... Sytch was busted in Branford, CT after an alleged domestic dispute with her ex-boyfriend. Cops determined Tammy had violated a restraining order he had against her.

Sytch was arrested on charges of violating a protective order, disorderly conduct and criminal mischief.

Law enforcement sources tell us ... Sytch -- who has struggled with substance abuse in the past -- appeared to be intoxicated during the arrest.

Read more: http://www.tmz.com/2012/10/09/tammy-sytch-arrested-4th-time-domestic-violence/#ixzz28ot9Eji0