Judge James Burke also ordered the disgraced Hollywood mogul to register as a sex offender.
The jury found him guilty of third-degree rape and first-degree criminal sexual act, but not guilty of two predatory sexual assault counts and first-degree rape.
Weinstein and his accusers spoke during Wednesday's emotional hearing.
He claimed he had "wonderful times with these people," and "there are so many people - thousands of people - who would say great things about me."
The 67-year-old said he was remorseful but did not apologize to his accusers.
"Thousands of men and women who are losing due process, I'm worried about this country," he added.
Mann called him a "known offender," adding she's "forced to carry that experience" until she dies. She asked the judge to give her "the gift of knowing where Harvey is at all times."
Haley spoke through tears, saying Weinstein "crushed a part of my spirit."
Manhattan District Attorney Cy Vance thanked the women who came forward for their courage.
"We thank the court for imposing a sentence that puts sexual predators and abusive partners in all segments of society on notice," Vance said in a statement. "We thank the survivors for their remarkable statements today and indescribable courage over the last two years. Harvey Weinstein deployed nothing less than an army of spies to keep them silent. But they refused to be silent, and they were heard. Their words took down a predator and put him behind bars, and gave hope to survivors of sexual violence all across the world."
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Outside the courthouse, Weinstein's defense attorneys once again said he "really never had a fair shake from day one."
"I'm not here to say that he's a victim, and I'm not here to say 'poor Harvey.' But what I am here to say is we are looking for fairness and we didn't get it," Donna Rotunno told reporters.
Gloria Allred, who represents multiple accusers, held up a piece of paper that read, "This is what justice looks like... 20+3."
"I was in court. It was very emotional," she said. "Each and every one of my clients - Mimi, Lauren [Marie Young], Annabella [Sciorra] - were all crying."
Following his February conviction, Weinstein underwent a heart procedure at Bellevue Hospital. He was transferred to Rikers Island last week.
On Monday, Weinstein fell without his walker and hit his head. He was taken to the infirmary to be treated for the pain.
Then on Tuesday, shocking court documents were unsealed in the case. They showed that in 2017 – when the public allegations first surfaced – Weinstein asked several influential people for help, including Michael Bloomberg and Jeff Bezos.
In another email, he wrote "Jennifer Aniston should be killed" in response to a tabloid paper seeking to report that she told a friend he groped her. In a two-page letter, Weinstein also wrote, "I'm a sex addict. I'm an anger addict" and "I'm suicidal."
He still faces additional charges in Los Angeles and civil lawsuits.
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