Titus Young -- Attacked 5 People in 2 Months ... Cops Say

11:11 AM PT -- We're told the person Young is accused of attacking on July 8th is his own attorney.

Also, law enforcement tells us ALL of the attacks took place at a medical treatment center in Los Angeles.

Former NFL wide receiver Titus Young attacked 5 people on 5 different occasions in less than 2 months ... this according to legal docs obtained by TMZ Sports.

The L.A. County District Attorney has charged the former Detroit Lions prodigy with 1 count of felony battery and 4 counts of misdemeanor battery for an alleged reign of terror that began in May.

According to the docs, 24-year-old Young attacked both men and women. Cops say his first attack took place on May 28th. He struck again on June 1st ... then June 26th ... July 1st ... and again on July 8th.

Officials say the most serious attack was on July 8th ... when Titus allegedly KO'd another man who had to be hospitalized. Young was charged with felony battery for that attack.

If convicted, Young is facing several years behind bars.