The name Kato is of African origin. The meaning of Kato is 'perfection'. It has a few different translations, including 'second born of the twins', or 'someone who knows everything'. The name can also mean 'pure', 'perfect' or 'impeccable'. Kato can be used as a given name as well as a surname and it can be pronounced as 'ka-toh' or 'kay-toh'. There are a few famous people who have used the name Kato. The most well known is Brian Jerard Kaelin, who is more popularly known as Kato Kaelin. He is an American actor, radio and television star, who chose the stage name Kato after watching 'The Green Hornet', in which the famous martial arts star Bruce Lee played a character by the same name.