Rui Hachimura (born February 8, 1998) is a Japanese professional basketball player for the Los Angeles Lakers of the National Basketball Association (NBA). He played college basketball for the Gonzaga Bulldogs and is a member of the Japanese national team. Listed at 6 ft 8 in (2.03 m) and 230 lbs (104 kg), he plays both the small forward and power forward positions. After being selected ninth overall by the Wizards in the 2019 NBA draft, he was named to the NBA All-Rookie Second Team in 2020.

Born in Toyama Prefecture, Hachimura achieved success at the youth level in Japan, leading Meisei High School to three straight All-Japan High School Tournament titles and being a top player for the Japanese under-17 and under-19 national teams in FIBA competition. He joined Gonzaga in 2016 as the fifth Japanese-born men's NCAA Division I player and in 2017 became the first Japanese national to play in the NCAA Division I men's tournament. As a sophomore, he earned first-team All-WCC honors. He was named a finalist for the Naismith Player of the Year.