Farrell, 31, received a four-year sentence, with two years suspended, for failure to prevent a rape crime.
The court was told Farrell would not be sent to prison but would have to wear an electronic tag for two years and remain in France.
Former Ireland U20 international Denis Coulson was sentenced to 14 years in prison after he was found guilty of the rape of a woman in Bordeaux in 2017.
The two men were on trial with three other rugby players. All five men were once team-mates together at FC Grenoble.
Loick Jammes, 30, from France, was found guilty of rape and given a 14-year sentence.
Rory Grice, 34, from New Zealand, was found guilty of rape and given a 12-year sentence.
Fellow New Zealander 30-year-old Dylan Hayes was given a two-year suspended sentence for failure to prevent a crime.
On Thursday, Oyonnax confirmed the termination of Farrell and Grice’s contracts.
Farrell, who has 15 Ireland caps and was part of the 2018 Grand Slam-winning team, played at Grenoble from 2014 until 2017 when he joined Munster. He stepped away in 2022 due to the legal proceedings before signing for Oyonnax in 2023.
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