Ivan Charles Rabb Jr. (born February 4, 1997) is an American basketball power forward for the Memphis Hustle of the NBA G League, on assignment from the Memphis Grizzlies of the National Basketball Association (NBA). He played college basketball for the California Golden Bears. Growing up in California, he was named the top high school player in the state as a senior in 2015. He also received national recognition as an All-American. As a college freshman with the Golden Bears, Rabb earned second-team all-conference honors in the Pac-12.
High school career
Rabb attended Bishop O'Dowd High School, where he won two CIF Northern California Open Division basketball championships and one CIF Open Division State Championship . Rabb competed in the summer for the AAU's Oakland Soldiers.  
In four varsity seasons, Rabb amassed over 2,000 points, 1,000 rebounds, and is the winningest player (108-19) in school history.  Recorded single-game career-highs of 42 points, 26 rebounds, eight assists and 13 blocked shots.
In his freshman year, he aided the Dragons to a 24-7 record and the 2012 CIF NCS championship game and he averaged 7.0 ppg., 7.0 rpg. and 3.0 bpg. as a freshman in 2011-12. He participated in the October 2012 USA Developmental National Team mini-camp, held in Colorado Springs, Colo.
He scored 25 points and hauled in 10 rebounds in the 2013 California Interscholastic Federation (CIF) North Coast Section (NCS) Division III championship game in leading the Dragons to the title, which marked the team's second-straight CIF NCS Division III title, also went undefeated in the WACC for the regular season league crown. He averaged 25.0 ppg., 13.0 rpg. and 8.0 bpg. as a sophomore in 2012-13. He was named to the 2013-14 USA Basketball Men’s Developmental National Team on March 27, 2013. 
As a senior, Rabb averaged 24.5 points, 16.3 rebounds, and 4.5 blocks. He led the Dragons to the CIF open division state title. In the championship game, held at Cal's stadium, Rabb scored 19 points, grabbed 21 rebounds, blocked 2 shots, and scored the go ahead free throw with 0.8 seconds left to give his team the win. 
|Name||Hometown||High school / college||Height||Weight||Commit date|
| Ivan Rabb |
|Oakland, California||Bishop O'Dowd High School||6 ft 11 in (2.11 m)||210 lb (95 kg)||Apr 13, 2015|
|Recruiting star ratings: Scout: Rivals: 247Sports: ESPN:|
|Overall recruiting rankings: Scout: 5 Rivals: 7 ESPN: 8|
Before deciding where to attend college, Rabb listed ten schools as finalists, Arizona, Cal, Duke, Georgetown, Kansas, Kentucky, Louisville, North Carolina, UCLA and USC. 
On October 24, 2014, Rabb cut his list to five schools, Arizona, Cal, Kansas, Kentucky and UCLA.
On March 25, 2015, Rabb announced that Arizona and Cal were his two finalists.
After a strong freshman season where he earned second-team All-Pac-12 honors, Rabb surprised many by opting to forego the 2016 NBA draft (despite him being projected to be a lottery selection that year) and return to Cal.  Prior to the 2016–17 season, he was named a preseason All-American by the Associated Press. 
Memphis Grizzlies (2017–present)
Rabb was selected 35th overall (5th pick of the second round) in the 2017 NBA Draft by the Orlando Magic who later traded his rights to the Memphis Grizzlies.  On September 18, 2017, Rabb agreed to a three-year rookie-scale deal with the Grizzlies, having his first two seasons fully guaranteed by Memphis. During his rookie season, he has had multiple assignments with the Memphis Hustle, Grizzlies' G-League affiliate.  .
Awards and honors
- Second-team All-Pac-12 (2016)
- High school
- 2015 CIF Open Division State Championship
- 2014, 2015 CIF Northern California Open Division Championship
- McDonald's All-American (2015)
- First-team Parade All-American (2015)
- 2013 MaxPreps Sophomore All-American first team.
- 2013 Cal-Hi Sports Sophomore of the Year.
- 2013 West Alameda County Conference (WACC) MVP/All-WACC.
- 2013 Contra Costa Times All-East Bay first team
- 2012 Torrey Pines/Jerry Tarkanian All-Tournament Team.
National team career
He was the member of the USA Basketball Men’s U16 National Team that posted a perfect 5-0 record en route to winning gold at the 2013 FIBA Americas U16 Championship in Maldonado, Uruguay; started three games and averaged 12.0 ppg. and 9.8 rpg.
Ivan is the son of Tami Rabb. He has a sibling, Tamarik, who attends Bishop O'Dowd High School. Rabb started playing basketball when he was 6 or 7 years old. In high school, he carried a 3.15 GPA. He attended the University of California, Berkeley and was ranked on ESPN's 2015 top 100 recruits as #8.