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.
One Ban, All Banned: EU To Enforce Bloc-Wide Driving Disqualifications
Kildare Tenant Awarded €23,000 After Landlords Refused HAP Scheme
Asylum Seekers Still Allowed Enter Ireland Without Passports Or Documents, Officials Tell Kildare TD
Former Well-Known GAA Referee From Old Kilcullen Told He Faces Prison For Abuse Of Niece
Locals Urged To Make Their Votes Count In Tomorrow's Presidential Election
Land Owner To Decide If Details Will Be Released On Hundreds Of Skeletons Found In Naas
€10 Million Settlement For Celbridge Man With Cerebral Palsy In National Maternity Hospital Case
Clicks And Cash: Kildare TD Mark Wall Among Top Social Media Spenders During Last General Election
