Many are linked to drunk and disorderly behaviour.
Irish Rail received complaints of racism, verbal sexual harassment, assaults and drug-taking on trains last year.
There was a 60% increase in anti-social behaviour complaints in 2022, compared to the previous year.
Irish Rail received 444 antisocial behaviour complaints last year - up from 277 the previous year.
Those relating to the Dublin to Belfast and Dublin to Cork lines have been released under the Freedom of Information Act.
A woman and her husband on the Belfast line said a group of seven or eight drunken youths shouted sectarian, sexual and racial slurs on their journey.
A passenger on the Cork train claims a person took out a white substance and snorted it right off the table.
A couple claims they were subjected to verbal abuse and threats of violence from a group of sports fans.
Another passenger claims they were verbally sexually harassed by two drunk men.
One person say they witnessed a woman screaming in a man's face, threatening to kill him.
One passenger says they were kicked in the head by a man as they sat on the floor between two carriages.
Irish Rail says it has been working with the gardai, private security staff and employees to address anti-social behaviour.
It says it's a societal issue that it's not immune to.
Speed Enforcement To Increase In Kildare With 21 New Camera Zones To Be Rolled Out In January
Over 400 Motorists Caught Speeding So Far Today, Including A Driver In Kilcock
Transport Minister In Discussions With Irish Rail About Extending Late-Night Trains Beyond Christmas
Tadhg And Mary Should Be Looking Forward To Christmas, Say Gardai As Fresh Appeal Launched
Bus Shelters Treated As Luxury Rather Than Standard, With 500 Kildare Bus Stops In Need Of Upgrades
Recruitment Announcements Don’t Add Up As Garda Numbers Stagnant In Kildare South, Says Local TD
Court Orders Demolition Of 29 Unauthorised Modular Homes Built By Kildare Developer
Chris Rea, 'Driving Home For Christmas' Singer, Has Died Aged 74
