Conor McGregor was ordered to pay £206,556.03 in compensation after a jury found the UFC star liable for attacking a woman.
The jury had been debating its verdict on Nikita Hand's civil suit against Mr McGregor and another man, James Lawrence.
Ms Hand did not win her trial against the second named defendant and Mr McGregor's friend Lawrence as the jury said he did not attack her.
However, Mr McGregor was ordered to pay €248,603.60 (£206,556.03) in damages to Ms Hand.
The case was a civil case after the Director of Public Prosecutions in Ireland decided not to charge Mr McGregor criminally, meaning he could not have faced a prison sentence.
In a civil action in the Republic of Ireland, unlike a criminal case, neither the plaintiff nor the defendant is entitled to automatic anonymity during the legal proceedings.
Ms Hand said she was sexually assaulted in December 2018 and accused Mr McGregor of raping her in a Dublin hotel room.
The 35-year-old claimed damages for bodily harm in connection with the alleged rape.
Before sending the jury to deliberate, Judge Alexander Owens had told the eight men and four women that only nine of them would have to agree on whether one or both men should be convicted of assault.
The jury had heard eight days of evidence, including from Ms Hand, Mr McGregor and Mr Lawrence, as well as doctors and two paramedics.
Both men had denied the 35-year-old's claims and claimed they separately had consensual sex with Ms Hand at the hotel in December 2018.
Dublin-born Mr McGregor, 36, is one of the best-known names in sport and has established himself as one of the most popular fighters in the world .
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Notable highlights of his career include becoming the first UFC fighter in history to simultaneously hold two titles in two weight classes when he won the featherweight and lightweight belts in 2015 and 2016.
He also switched to boxing for a lucrative fight against him in 2017.
Ms. Hand's allegations come two months after Mr. McGregor lost a highly anticipated lightweight title fight to Russia's Khabib Nurmagomedov at UFC 229 in Las Vegas, Nevada.
The 36-year-old made his debut for Dana White's promotion back in April 2013 after winning with Irish MMA promotion Cage Warriors.
He won his first seven fights in the UFC and knocked out Jose Aldo after 13 seconds in 2015 to capture featherweight gold.
McGregor then suffered his first UFC loss in the octagon against Nate Diaz before defeating the American in a rematch to become two-division champion.
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The Irishman defeated Eddie Alvarez after two rounds in November 2016, becoming the first fighter ever to hold two UFC belts at the same time.
