No, iaito is not the same as a katana, although they are related.

The katana is a traditional Japanese sword that has a long, curved, single-edged blade and a circular or squared guard. It is known for its sharpness, cutting ability, and historical significance. Katanas were used by samurai warriors in feudal Japan for combat.

On the other hand, iaito is a practice sword specifically designed for iaido, a Japanese martial art focused on the art of drawing and striking with the sword. Iaito swords are made to replicate the look and feel of a katana but are typically non-sharpened or have a blunt edge. They are constructed with safety in mind for training purposes. Iaito swords often have a blade made of aluminum alloy or zinc-aluminum alloy, which allows for repetitive and safe practice of iaido techniques without the risk of accidental cuts or injuries.

While iaito swords closely resemble katanas in appearance, their purpose and construction differ. Iaito swords are meant for the practice and study of iaido, emphasizing the development of form, precision, and control, whereas a katana is a functional weapon historically used for combat.

It's important to note that iaito swords are intended for training purposes and are not suitable for cutting exercises or combat due to their non-sharpened or blunt edges.