The legality of owning a real katana, which refers to a functional, sharp-edged Japanese sword, can vary depending on the specific laws and regulations of your country, state, or local jurisdiction. In many countries, owning a real katana is legal but may be subject to certain restrictions or requirements. However, it's important to note that laws can differ, and it's advisable to research and consult the regulations specific to your location.

In some jurisdictions, real katanas may be classified as weapons or controlled items, and their ownership could require licenses, permits, or compliance with specific regulations. The laws may impose restrictions on the possession, transportation, sale, or display of real swords, particularly those with sharp blades.

It's essential to understand the legal requirements and obligations associated with owning a real katana in your area. To ensure compliance with the law, it is recommended to consult local law enforcement or legal authorities who can provide accurate and up-to-date information regarding the possession, acquisition, or use of real katanas.

Remember that the regulations can change over time, and it is your responsibility to stay informed about the current laws regarding the ownership of real swords in your specific jurisdiction.