The surname Aoki is of Japanese origin, written as "青木," meaning "green tree." It is predominantly found in central Japan and the Ryūkyū Islands. The name has historical connections to the Takeda branch of the Minamoto clan and the Fujiwara family. Over time, the use of the surname Aoki has remained relatively consistent in Japan, but its presence in the United States has seen a slight decline. Despite this, the name continues to hold cultural significance, representing a strong and enduring heritage.
