
Australia has strict weapons laws that apply to all types of weapons, including knives. In general, Australian law prohibits the possession, manufacture, sale, and importation of weapons that are considered dangerous or deadly. The legality of owning and carrying a knife depends on several factors, including the type of knife, the intended use, and the state or territory in which you live.
| Characteristics | Values |
|---|---|
| Legal definition | Any instrument with a cutting edge or blade, and designed to be used as a weapon |
| Exceptions | Utility knives, such as a Swiss Army knife or a pocket knife with a blade no longer than 10 cm |
| Prohibited knives | Flick knives, butterfly knives, swords, machetes, spears, and any knife with a double-edged blade |
| Restricted knives | Allowed to be bought, sold, and used, but must not be carried in public |
| State-specific laws | Queensland: illegal to own or carry a butterfly knife; South Australia: illegal to own or carry a gravity knife |
| Public transport laws | In most states and territories, it is illegal to carry any type of knife, including a small folding knife, on public transport |
| Age restrictions | In some jurisdictions, it is illegal for anyone under the age of 18 to buy, possess, use, or carry a knife |
| Import restrictions | Knives made from prohibited materials (e.g. ceramic, plastic) or modified to be suitable for use as a weapon are illegal to import without appropriate permits |
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What You'll Learn
- Prohibited knives: flick knives, butterfly knives, swords, machetes, spears, double-edged blades
- Restricted knives: allowed to buy, sell, but not carry in public
- State laws: each state has unique laws, e.g. Queensland bans butterfly knives
- Federal laws: control what can be brought into the country
- Age restrictions: illegal to sell to under 18s without parental consent

Prohibited knives: flick knives, butterfly knives, swords, machetes, spears, double-edged blades
Australia has strict weapons laws that apply to all types of weapons, including knives. The country has a federal definition of a knife as any instrument with a cutting edge or blade, designed to be used as a weapon. All knives fall into one of two categories: prohibited and restricted.
Prohibited knives are those that cannot be bought, sold, used, or possessed unless the user has a valid reason for doing so. Prohibited knives include flick knives, butterfly knives, swords, machetes, spears, and any knife with a double-edged blade. These knives are illegal to possess in any public place and can carry a prison sentence of up to 14 years. In Queensland, for example, it is illegal to own or carry a butterfly knife, and in South Australia, it is illegal to own or carry a gravity knife.
Restricted knives, on the other hand, are allowed to be bought, sold, and used but must not be carried in public. These include utility knives, such as a Swiss Army knife or a pocket knife, which are permitted in some states, as long as the blade does not exceed 10 cm in length.
It is important to note that each state and territory in Australia has its own laws governing the possession of knives, and these laws can vary significantly. For example, in New South Wales, certain knives are classified as "controlled weapons", which means they can only be kept at home and must not be carried in public. Additionally, sword laws in Australia vary from state to state, with different requirements and regulations in place depending on the jurisdiction.
The laws regarding knives on public transport are also stricter than those for general possession. In most states and territories, it is illegal to carry any knife, including a small folding knife, on public transport. Furthermore, it is illegal to import, manufacture, sell, or possess a knife made from prohibited materials without appropriate permits. This includes knives made from ceramic or plastic, or any material that can be used as a weapon.
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Restricted knives: allowed to buy, sell, but not carry in public
In Australia, knives are classified as either prohibited or restricted. Restricted knives are those that are allowed to be bought, sold, and used, but must not be carried in public. This means that it is legal to own and purchase a restricted knife, but it is illegal to carry it outside of your home or private property.
The laws surrounding knife ownership and possession in Australia are complex and vary between states and territories. It is important to always be aware of the relevant laws in your specific state or territory before buying, selling, carrying, or using a knife. In addition to state-based laws, there are also federal laws that control the importation of knives into Australia.
While the definition of a restricted knife in Australia remains consistent across the country, each state and territory has its own laws governing the possession and carrying of such knives. For example, in New South Wales, certain knives are classified as "controlled weapons," which means they can only be kept at home and must not be carried in public. Similarly, in Queensland, it is illegal to own or carry a butterfly knife, and in South Australia, it is unlawful to possess or carry a gravity knife.
It is important to note that the rules regarding knives on public transport are typically stricter than those for general possession. In most states and territories, it is illegal to carry any type of knife, including a small folding knife, on public transport. Therefore, it is crucial to familiarize yourself with the specific laws in your state or territory to ensure compliance.
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State laws: each state has unique laws, e.g. Queensland bans butterfly knives
While Australia has federal laws regarding knives, each state and territory has its own unique laws governing the possession, sale, and distribution of knives. These laws are designed to protect the public from harm and ensure that knives are used safely and responsibly. It is important to be aware of the relevant laws in your state or territory before buying, selling, carrying, or using a knife. Here are some examples of state-specific laws in Australia:
Queensland
In Queensland, it is illegal to possess a sword or bladed weapon in a public place without a lawful excuse. The maximum penalty for this offence is two years imprisonment and/or a fine of $2,500. Queensland also bans butterfly knives, which fall under the category of prohibited knives in Australia.
New South Wales (NSW)
In NSW, certain knives are classified as "controlled weapons," which means they can only be kept at home and must not be carried in public. It is illegal to possess a sword or bladed weapon in a public place without a reasonable excuse, with a maximum penalty of $5,500 or two years imprisonment. The penalties for carrying a sword with the intent to harm or commit a crime are even more severe, with a maximum penalty of 14 years imprisonment.
Victoria
Victoria has similar laws to NSW, prohibiting the carrying of knives in public except for utility knives with a blade no longer than 10 cm. It is also an offence in Victoria to carry or possess a sword or bladed weapon in a public place without a lawful excuse, with a maximum penalty of six months imprisonment and/or a $5,000 fine.
Western Australia (WA)
WA has strict laws regarding knives and edged weapons. A person carrying an edged weapon without a lawful excuse can face up to three years imprisonment and a fine of $36,000. The state has also introduced stricter penalties for offences involving knives, with improvements in community safety measures such as allowing officers to use metal detectors to detect knives.
South Australia
In South Australia, it is illegal to sell knives to minors or market knives in a way that encourages violent behaviour. The maximum penalty for selling knives to minors is a $10,000 fine or a $1,000 expiation fee. From July 1, 2025, supplying a knife to a minor with the knowledge that it could be used to commit an offence carries penalties of up to $35,000 in fines or four years in prison.
These examples demonstrate the variation in knife laws across different states in Australia. It is essential to be aware of the specific laws in your state or territory to ensure compliance and responsible knife ownership and use.
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Federal laws: control what can be brought into the country
Federal laws in Australia control what can be brought into the country. These laws are complex and cover a range of weapons, including knives. The laws are designed to protect the public from harm and ensure that knives are used safely and responsibly.
In general, Australian law prohibits the possession, manufacture, sale, and importation of weapons that are considered dangerous or deadly. This includes switchblades, butterfly knives, and knives disguised as other objects. However, there are exceptions to these rules, and certain types of knives are legal to own and carry under specific circumstances.
The Federal Prohibited Imports Regulations 1956 outline the restrictions on importing knives into Australia. If a knife is defined on this list and is not available for import with a police certification test, it is illegal in all states. If a knife is not on this list, it can be imported into Australia without restriction. Additionally, some knives may be imported with a police certification test by filling out the appropriate forms (B709B or B709X).
It is important to note that federal laws do not cover the ownership, use, or storage of knives within Australia; these are governed by state laws. Each state and territory has its own laws and regulations regarding the possession and use of knives, and it is essential to be aware of the relevant laws in your specific state or territory. The type of knife that can be carried and the rules regarding knives on public transport vary across the country.
Overall, Australia has strict weapons laws, including knives, and it is a serious offence to breach these laws, with potential penalties including fines and imprisonment.
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Age restrictions: illegal to sell to under 18s without parental consent
Australia has strict weapons laws that apply to all types of weapons, including knives. The country has a federal law that covers what can be brought into the country, and each state has its own laws that govern the possession, use, and trade of knives.
In some jurisdictions, it is illegal to sell knives to anyone under the age of 18 without the express consent of a parent or guardian. This is because knives are considered dangerous and deadly weapons, and their sale and distribution are heavily regulated. In these jurisdictions, it is also illegal for anyone under 18 to buy, possess, use, or carry a knife. Giving a knife as a gift to a minor is also prohibited.
The type of knife that can be carried varies from state to state, and it is important to check the local laws before purchasing or carrying one. For example, in Queensland, butterfly knives are banned, while in South Australia, gravity knives are prohibited. In New South Wales, certain knives are classified as 'controlled weapons', meaning they can only be kept at home and must not be carried in public.
Australian laws also prohibit the possession, manufacture, sale, and importation of knives made from prohibited materials, such as ceramic or plastic, without the appropriate permits. Modified knives, such as those with longer blades or sharpened points, are also illegal to possess. These laws are in place to ensure knives are used safely and responsibly, and to protect the public from harm.
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Frequently asked questions
Australia has strict weapons laws that apply to all knives. It is illegal to carry any knife in a public place in Australia, except for utility knives with a blade no longer than 10 cm. Each state and territory has its own laws that govern the possession of knives, so it's important to check local laws before purchasing or carrying one.
Prohibited knives in Australia include flick knives, butterfly knives, swords, machetes, spears, and any knife with a double-edged blade. These knives are illegal to possess in any public place and can carry severe penalties, including prison sentences of up to 14 years.
Restricted knives in Australia are those that can be bought, sold, and used but must not be carried in public. This includes folding knives and fixed-blade knives that are not listed in the Prohibited Weapons Schedule or Category M Weapons for Queensland residents.











































