The legality of sword fighting can vary depending on the jurisdiction and the specific context in which it takes place. In many places, engaging in sword fighting as a sport or as part of a martial arts practice is legal, provided it is conducted in a controlled environment with appropriate safety measures in place. This typically includes following regulations, obtaining permits if necessary, and ensuring participants are properly trained and equipped.

However, it's important to note that using a sword as a weapon in a public or non-permitted context can be illegal and potentially considered a criminal act. Carrying or brandishing a sword in public without a legitimate reason or proper authorization is often prohibited by law, as it may be perceived as a threat or endanger public safety.

Laws and regulations regarding sword fighting, weapons, and self-defense can vary significantly from country to country and even within different states or regions. It is crucial to familiarize yourself with the specific laws and regulations of your jurisdiction to ensure compliance and avoid any legal issues.

If you are interested in practicing sword fighting or participating in sword-based martial arts, it is advisable to seek training from licensed instructors or schools that operate within the legal framework and adhere to safety guidelines established by the relevant authorities.