Kansas Knife Laws

kansas knife laws

According to the knife laws in Kansas, there are two banned knives which you cannot own and carry open or concealed.

Otherwise, you can carry and own any knives you want in Kansas because all other knives are legal here.


Knives that are banned according to the Kansas law

Owning, carrying, manufacturing, displaying, buying and selling “ballistic knives” and “throwing stars/metal knuckles” are illegal as well as banned in Kansas.

K.S.A. § 21-6301 defines the throwing stars and its criminal use.

“(m) As used in this section, “throwing star” means any instrument, without handles, consisting of a metal plate having three or more radiating points with one or more sharp edges and designed in the shape of a polygon, trefoil, cross, star, diamond or other geometric shapes, manufactured for use as a weapon for throwing.”

Any instrument without handles having more than three radiating points with more than one sharp edge is known as a throwing star and is illegal in Kansas.

“(a) (1) Selling, manufacturing, purchasing or possessing any bludgeon, sand club, metal knuckles or throwing star;”

So, selling, manufacturing, purchasing or possessing throwing stars or metal knuckles are illegal in Kansas.

On the other hand, throwing knife is legal if it has got a handle.

The definition of the firearm indicates the ballistic knives as the illegal one.

“Any weapon designed or having the capacity to propel a projectile by force of an explosion or combustion.”

Ballistic knives are also the kind of knives having the capacity to propel by the force of an explosion.

K.S.A. § 21-6301(a): Criminal use of weapons depicts that, any dangerous or deadly weapon such as a billy, blackjack etc. are illegal if they are intended to use unlawfully to anyone. 

“(a) Criminal use of weapons is knowingly:

(2) possessing with intent to use the same unlawfully against another, a billy, blackjack, slung-shot, or any other dangerous or deadly weapon or instrument of like character, or a dangerous or deadly weapon or instrument;”

Concealment Issues of Knives in Kansas


K.S.A. § 21-6302(a) explains the criminal carrying of knives. It is illegal to carry any throwing stars, sand-club, and metal knuckles.

Carrying dangerous or deadly weapon such as billy, blackjack, slung-shot etc. concealed are illegal. Otherwise, there are no concealment issues for knives. You can carry any legal knives open or concealed.

(a) Criminal carrying of a weapon is knowingly carrying:

“(1) any bludgeon, sand-club, metal knuckles or throwing star;

(2) Concealed on one’s person, a billy, blackjack, slung-shot or any other dangerous or deadly weapon or instrument of like character…”


Knives that are Legal in Kansas

Other than the ballistic knives and metal knuckles or throwing stars, all kind of knives are legal to own and carry in Kansas.

  1. All kind of pocket knives is legal.
  2. Bowie knives are legal.
  3. Knives that are disguised under lipstick, pen, cane, belt etc. are legal.
  4. Switchblades and other automatic knives are legal.
  5. Dirks, daggers, and stilettos are legal.
  6. Gravity knives are legal.

All kinds of undetectable knives are legal.


Blade size:

There are no limits of blade lengths for any particular knives. You can carry any blade sized legal knives you want.


Schools are Weapon/knife free zone

Schools in Kansas do not allow knives or weapons on school premises. Anyone carrying a dangerous knife in a school ground or school campus or school buildings are illegal and it is applicable from kindergarten to grade 12.


Exception: Only law enforcement officers or the individuals who are given the authorized permission can carry a firearm or dangerous knives on school premises.


These are explained in the code K.S.A. § 21-6301 (11) & (12)

K.S.A. § 21-6301: “(11) possessing any firearm by any person, other than a law enforcement officer, in or on any school property or grounds upon which is located a building or structure used by a unified school district or an accredited nonpublic school for student instruction or attendance or extracurricular activities of pupils enrolled in kindergarten or any of the grades one through 12 or at any regularly scheduled school sponsored activity or event whether the person knows or has reason to know that such person was in or on any such property or grounds;

(12) refusing to surrender or immediately remove from school property or grounds or at any regularly scheduled school sponsored activity or event any firearm in the possession of any person, other than a law enforcement officer, when so requested or directed by any duly authorized school employee or any law enforcement officer;”

Sum up to the knife laws in Kansas

Knife laws in Kansas are flexible. There are no strict concealment issues and blade length issues. Other than the ballistic knives and throwing stars, there are no carrying or owning issues for other knives too.






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