Riku is a Japanese name that means "land" or "land of the house." It is a name that is commonly used for boys in Japan and is often associated with characteristics such as strength, intelligence, and courage. People named Riku are often seen as natural leaders who are capable of handling difficult situations with ease. They are known for their calm and composed demeanor, as well as their ability to think logically and make decisions with clarity. Overall, those with the name Riku are seen as reliable, dependable, and trustworthy individuals.