Jalen Romande Green (born February 9, 2002) is an American professional basketball player for the Houston Rockets of the National Basketball Association (NBA). Listed at 6 feet 6 inches and 180 pounds, he plays the shooting guard position. He was a consensus five-star recruit and the best shooting guard in the 2020 class, with ESPN ranking him number one overall. He finished his high school career at Prolific Prep in Napa, California, and he chose to forgo college basketball to join the G League Ignite team in its inaugural season. Green has won three gold medals with the United States at the junior level and was named Most Valuable Player (MVP) of the 2018 FIBA Under-17 World Cup. Green was selected by the Houston Rockets with the second overall pick in the 2021 NBA draft.

On April 16, 2020, Green signed a one-year, contract with the NBA G League Ignite, a developmental team affiliated with the NBA G League. He became the first player to join the team.

He averaged 17.9 points, 4.1 rebounds, and 2.8 assists per game.

On June 29, 2021, Green was selected by the Houston Rockets second overall in the 2021 NBA draft.

For his first three years of high school, Green played basketball for San Joaquin Memorial High School in Fresno. As a freshman, he was a full-time starter and averaged 18.1 points and nine rebounds per game. He led his team to a CIF Central Section Division II runner-up finish and the CIF Division II quarterfinals. He earned MaxPreps Freshman All-American second team and CIF Central Section rookie of the year honors. In his sophomore season, Green averaged 27.9 points and 7.7 rebounds per game, leading San Joaquin Memorial to a Central Section Division II title and the CIF Open Division playoffs.He was named MaxPreps National Sophomore of the Year and made the USA Today All-USA California second team.As a junior, Green averaged 33 points, eight rebounds and five assists per game for San Joaquin Memorial. He won his second consecutive Central Division II championship. In the title game, Green surpassed the school career scoring record of 2,288 held by Roscoe Pondexter since 1971. He also helped his team reach the CIF Northern California Division I quarterfinals. Green was named USA Today All-USA California player of the year and appeared on the All-USA second team and MaxPreps All-American second team.For his senior season, he transferred to Prolific Prep in Napa, California. He helped his team win the Grind Session championship. Green averaged 31.5 points, 7.5 rebounds and five assists per game, leading his team to a 31–3 record. He was named Sports Illustrated All-American player of the year and to the MaxPreps All-American first team. Green was selected to play in the McDonald's All-American Game, the Jordan Brand Classic and the Nike Hoop Summit, but all three games were canceled due to the coronavirus pandemic.