No, iaido is not part of kendo, although they are both traditional Japanese martial arts.

Kendo, often referred to as "the way of the sword," is a modern Japanese martial art that focuses on using a bamboo sword (shinai) to engage in simulated sword combat. It emphasizes developing proper technique, timing, and spirit in a competitive setting. Kendo practitioners wear protective armor and engage in sparring matches called "keiko" or participate in competitive events.

On the other hand, iaido is a martial art that specializes in the drawing, cutting, and resheathing of a traditional Japanese sword (katana) in a controlled and precise manner. It is often practiced in a solo setting rather than in direct combat or competition. The purpose of iaido is to cultivate awareness, concentration, and mastery of technique through the performance of predetermined forms (kata).

Both kendo and iaido share a common root in traditional swordsmanship, but they have different focuses and training methodologies. While kendo emphasizes sparring and competition, iaido is more focused on the development of personal discipline, mental presence, and the refinement of techniques related to the drawing and cutting of the sword.