Naoki Satō (佐藤 直紀, Satō Naoki, born May 2, 1970 in Chiba, Japan) is a Japanese composer who has provided the music for several popular anime series including the first five Pretty Cure series, X, Eureka Seven, Sword of the Stranger, and Blood-C. He graduated from the Tokyo College of Music in 1993. At the 29th Japan Academy Prize in 2006, he won the Best Music prize for his work on the film Always Sanchōme no Yūhi (Always Sunset on Third Street).