Jackie Mason's GF -- Charged with Assault

Jackie Mason's girlfriend has been charged with assault and harassment -- after allegedly roughing up the comedian in his NYC apartment on Friday.

According to the charging docs, obtained by TMZ, 48-year-old Kaoru Suzuki-McMullen has been charged with two counts of assault in the 3rd degree, and one count of harassment in the 2nd degree -- all misdemeanors.

According to the complaint, Kaoru "scratched and grabbed [Jackie] by the wrist, causing redness, swelling and abrasions to [his] left wrist and substantial pain."

As we previously reported, Jackie called the cops after Kaoru allegedly refused to leave his apartment -- and their argument turned violent. She was placed under arrest and released later that day (above).