Knife Laws in Ireland: Carrying, Penalties and Garda Searches

Ireland's knife law is short, strict and widely misunderstood. Section 9(1) of the Firearms and Offensive Weapons Act 1990 makes it an offence simply to have a knife or any other bladed or sharply pointed article with you in a public place. No intent to use it needs to be proved. Once possession in a public place is shown, it falls to the accused to establish a defence.

Two things are commonly got wrong. The first is when the penalty went up, and the second is whether there is an age limit on buying a knife. This page sets out the current maximum penalties, what changed on 30 September 2024 and what deliberately did not, the statutory defences in their actual wording, and the Garda power of search.

Information last verified on 20 July 2026. This page is general legal information for the Republic of Ireland, not legal advice.

The basic offence: section 9(1)

Section 9(1) provides that where a person has with him in any public place any knife or any other article which has a blade or which is sharply pointed, he is guilty of an offence.

There is no requirement that the article be a weapon, that it be concealed, or that the person intended to use it for anything. A kitchen knife, a screwdriver, a craft blade or a multi-tool can all fall within the wording. The offence is complete on possession in a public place.

Public place is defined broadly in section 9(8). It includes any highway and any other premises or place to which the public have, or are permitted to have, access whether on payment or otherwise, and it expressly includes club premises and any train, vessel or vehicle used for carrying people for reward. A taxi, a bus and a train carriage are all public places for this purpose.

The defences, in their actual wording

The phrase people reach for is reasonable excuse. That is not the wording that applies to the basic offence, and the distinction matters in court.

• Section 9(2) provides that it is a defence for the accused to prove that he had good reason or lawful authority for having the article with him in a public place.
• Section 9(3) adds, without prejudice to that, a defence where the accused proves he had the article for use at work or for a recreational purpose.
• Section 9(4), which covers flick-knives and articles made or adapted to injure or incapacitate, is the provision that uses the phrase without lawful authority or reasonable excuse, again with the onus of proof on the accused.

In each case the burden shifts to the defendant. Practically, the work and recreation defences are the ones most often relied on: a chef carrying knives to and from a shift, a tradesman with tools in a van, fishing, camping or scouting equipment, or a kitchen knife being carried home from a shop.

What is a flick-knife?

Section 9(9) defines a flick-knife as a knife whose blade opens automatically by hand pressure applied to a button, spring or other device in or attached to the handle, or whose blade is released by gravity or centrifugal force and locks in the open position. That definition catches gravity knives and butterfly style locking knives as well as classic flick-knives.

Possession with intent, trespass and intimidation

Section 9(5) deals with possession of any article with intent to unlawfully cause injury to, incapacitate or intimidate a person. Section 9(6) makes proof easier for the prosecution: no intended victim need be named, and the court may treat the fact of possession as sufficient evidence of intent, having regard to the type of article, the time of day and the place, in the absence of an adequate explanation.

Section 10 covers trespassing with a knife or a weapon of offence, defined in that section as an article made or adapted for causing injury or incapacitating a person, or intended by the possessor for such use. Section 11 covers producing an article capable of inflicting serious injury in order to intimidate. Section 12 allows the Minister to prohibit the manufacture, import, sale, hire, loan or display of specified offensive weapons.

Current maximum penalties

The €5,000 figures are class A fines under the Fines Act 2010, which have applied since 4 January 2011.

Offences under section 9 are designated serious offences for bail purposes under the Bail Act 1997, which means a court can refuse bail to prevent the commission of a further serious offence.

Correction: the 5 year maximum dates from 2009, not 2023

A lot of commentary attributes the current section 9(1) penalty to a Criminal Justice (Miscellaneous Provisions) Act 2023. That is wrong. The penalty for simple possession was raised by section 39 of the Criminal Justice (Miscellaneous Provisions) Act 2009, which came into force on 1 August 2009 under S.I. No. 310 of 2009. That is what made section 9(1) an either way offence for the first time, capable of being tried on indictment with a 5 year maximum. No 2023 Act made a relevant amendment.

What the 2024 Act actually did

The real recent reform is section 24 of the Courts, Civil Law, Criminal Law and Superannuation (Miscellaneous Provisions) Act 2024, commenced on 30 September 2024 by S.I. No. 478 of 2024. It followed recommendations from the knife crime sub-group of the Expert Forum on Anti-Social Behaviour.

Section 24 split section 9(5) out of the old combined penalty provision and gave it its own higher indictable maximum of 7 years. It applied the same 7 year maximum to sections 10 and 11, both of which had previously carried 5 years. And it raised section 12 from 7 years to 10 years.

What it did not do is raise the penalty for simply carrying a knife. The Department of Justice note on the reform is explicit that section 9(1) was to remain at a maximum penalty of 5 years. Anything published before 30 September 2024 showing 5 years for sections 10 and 11 is now out of date; anything claiming the 2024 Act raised simple possession above 5 years is simply wrong.

In August 2025 the Minister for Justice, Jim O'Callaghan, described the framework as comprehensive and robust when publishing the Garda analysis of knife related crime for 2015 to 2024, which recorded a 40% reduction in robbery involving a knife in retail settings and 35% in public settings since 2020, and found that most incidents of harm involving a knife occur in residential settings.

Can a Garda search me for a knife?

Yes, on reasonable suspicion and without a warrant. Section 16, as substituted on 1 August 2009, provides that where a member of An Garda Síochána suspects with reasonable cause that a person has with them in a public place an article in contravention of section 9, the member may:

• search that person, and detain them for as long as is reasonably necessary to carry out the search;
• search any vehicle, vessel or aircraft in which the article is suspected to be, and require the person in control of it to stop it and refrain from moving it;
• seize and detain anything found that appears to be required as evidence.

This is a reasonable suspicion power, not a random stop and search power. A separate provision, section 15, allows a search warrant to be issued for premises.

Is there an age limit for buying a knife in Ireland?

No. There is no minimum statutory age for buying a knife in the Republic of Ireland, and nothing in the Firearms and Offensive Weapons Act 1990 sets one. The Act contains no in-force age restricted sale provision of any kind. The one such provision it does contain, section 9D(2) on realistic imitation firearms, was inserted by section 40 of the Criminal Justice (Miscellaneous Provisions) Act 2009 but has never been commenced, and the Law Reform Commission revised text carries it only as a prospective provision.

The widely repeated claim that it is illegal to sell a knife to anyone under 18 in Ireland is imported from United Kingdom law, where section 141A of the Criminal Justice Act 1988 does impose that restriction. It has no Irish equivalent.

Many Irish retailers do operate voluntary age verification policies on blades, and a shop is free to refuse a sale. That is industry practice rather than a legal obligation, and a young person who buys a knife lawfully is still fully exposed to section 9(1) the moment they carry it in a public place.

Practical points

Buying a knife is not the risk. Carrying it is. Because the offence is committed by having the article with you in a public place, the safest course after a purchase is to bring it straight home rather than leave it in a car door pocket or a rucksack that travels around afterwards. If you carry blades for work or a hobby, the defence exists but you have to prove it, so being able to show the connection to the work or the activity matters.

For other everyday Irish law questions, see our guides to dog control laws and the XL Bully ban, or browse the Ireland law hub.

This page is general information about the law in the Republic of Ireland and is not legal advice. Offences under the Firearms and Offensive Weapons Act 1990 are prosecuted by An Garda Síochána and the Director of Public Prosecutions, and are heard in the District, Circuit or Central Criminal Court depending on how they are tried. If you have been arrested, searched or charged, speak to a solicitor before answering questions.

Frequently Asked Questions

Is it illegal to carry a knife in Ireland?

Yes. Section 9(1) of the Firearms and Offensive Weapons Act 1990 makes it an offence to have any knife or sharply pointed article with you in a public place, whatever your intention. It is then for you to prove a defence, such as good reason or lawful authority, or use at work or for a recreational purpose.

What is the penalty for carrying a knife in Ireland?

On summary conviction the maximum is a class A fine of up to €5,000 or 12 months' imprisonment, or both. On indictment the maximum is 5 years. That 5 year maximum was introduced by section 39 of the Criminal Justice (Miscellaneous Provisions) Act 2009 with effect from 1 August 2009.

Did the 2024 Act increase the sentence for carrying a knife?

No. Section 24 of the 2024 Act, commenced on 30 September 2024, raised possession with intent under section 9(5), trespassing with a knife under section 10 and producing an article to intimidate under section 11 from 5 years to 7 years, and raised section 12 from 7 to 10 years. Simple possession under section 9(1) was deliberately left at 5 years.

How old do you have to be to buy a knife in Ireland?

There is no minimum age set by Irish law. The Firearms and Offensive Weapons Act 1990 contains no age restriction on knife sales, and in fact no in-force age restricted sale provision at all: the one it contains, section 9D(2) on realistic imitation firearms, was never commenced. The under 18 rule frequently quoted online comes from United Kingdom legislation and does not apply in the Republic of Ireland.

Can a Garda search me for a knife without a warrant?

Yes, where the member suspects with reasonable cause that you have an article in a public place in contravention of section 9. Under section 16 the Garda may search you, detain you for as long as is reasonably necessary to do so, search a vehicle in which the article is suspected to be, and seize anything needed as evidence.

Is a Swiss Army knife or a multi-tool legal to carry?

There is no size or blade type exemption in the Irish provision. Any article with a blade or which is sharply pointed falls within section 9(1) when carried in a public place, so a multi-tool is caught in principle. Whether no offence is made out depends on proving good reason or lawful authority, or use at work or for a recreational purpose.

Is a car or a taxi a public place for knife law?

A taxi, bus or train is. Section 9(8) defines a public place to include any highway, any premises or place the public may access whether on payment or otherwise, club premises, and any train, vessel or vehicle used for carrying people for reward. A Garda may also search a vehicle under section 16 where an article is suspected to be in it.