The conviction comes after several former dance students of Da Silva's came forward with allegations of rape and sexual assault during salsa lessons in 2009.
Da Silva, who was featured in the first four seasons of the Fox dancing competition show, was convicted for one count of rape and one count of assault. When finished with his prison sentence, Da Silva will also be ordered to register as a public sex offender, TMZ reports.
The defence attorney handling Da Silva's case maintains that he is innocent, saying that the victims in question have exaggerated their allegations.
Fox has yet to issue an official statement on the sentence.
In 2009, Shane Sparks, also a former choreographer on So You Think You Can Dance, was charged with felony child molestation.