The twisted monsters “sexualised” their victims and, in some instances, subjected them to acts of a “degrading and violent nature”.
One girl and her family even fled to Spain to get away from the creeps despite telling police, their MP and the then home secretary David Blunket.
It took the jury almost 18 hours to convicted all eight gang members at Sheffield Crown Court after a month-long trial.
The men, aged between 30 and 40, will be jailed next month.
Ringleader Sageer Hussain, 30, was convicted of four rapes and one indecent assault. Mohammed Whied, 32, was found guilty of one count of aiding and abetting rape.
Ishtiaq Khaliq, 33, was found guilty of one rape and three indecent assaults. Waleed Ali, 34, was found guilty of one rape and one indecent assault.
Asif Ali, 30, was convicted on one rape. Masoued Malik, 32, was found guilty of one rape, one count of conspiracy to commit indecent assault and one of false imprisonment.
Basharat Hussain, 40, was convicted of one indecent assault. Naeem Rafiq, 33, of Clarendon Road, Rotherham, was convicted of one count of conspiracy to commit indecent assault and one of false imprisonment.
The offences happened between 1999 and 2003.
Michelle Colborne QC, prosecuting, told the jury the girl who fled to Spain, now in her late 20s, withdrew the allegations due to threats.
But the court was also told blundering police lost the girl”s clothes without carrying out any forensic analysis.
An official inquiry into exploitation in Rotherham in 2014 by Professor Alexis Jay concluded that 1,400 children had been raped, trafficked and attacked between 1997 and 2013 by gangs of largely Asian men, and that the victims were effectively ignored.