The matter is currently a civil offence.
Legislation around trespassing on farming or forestry lands needs to be strengthened, according to an Offaly TD.
Independent Carol Nolan wants the matter to be reviewed and possibly changed from a civil offence to a criminal one.
Currently, people found to be trespassing onto or occupying owned land can be fined up to €4,000.
Deputy Nolan says it's of major concern for many farmers and land owners: