Joe Barry Carroll (born July 24, 1958) is a retired American professional basketball player who spent ten seasons in the NBA. After retiring he became a wealth advisor, philanthropist, artist, author of the memoir Growing Up... In Words and Images and recipient of the Hank Aaron Champion for Justice award.

Carroll, a 7'0" center, attended Denver East High School, located in Denver, Colorado, where he was selected as an All-American by Midwest Coach and Athlete Magazine. In his senior year, he averaged 20.3 points and 12.2 rebounds a game, while scoring 41 points in one contest.

After high school, Carroll moved on to play college basketball at Purdue University. Under head coach Fred Schaus, he helped lead the Boilermakers to a 20-8 record. In Carroll's first national televised appearance, against Indiana, he scored 12 points, had 6 rebounds and 3 blocks in 20 minutes coming off the bench in a 86–76 win. On December 10, 1977, he recorded the school's only triple-double with 16 points, 16 rebounds and a single-game school record 11 blocks. He recorded 206 rebounds and averaged 7.4 a game in his first season, the most for a Purdue freshman. Carroll also holds the freshman record for most blocks in a season with 82.

Carroll set school records with 105 blocks on the season and averaged 3.9 blocks per game as a sophomore. With senior Walter Jordan, he helped lead the team to a 16–11 record and a fourth-place finish in conference play.

Head coach Fred Schaus stepped down in 1978 and was replaced by Lee Rose. Playing with a slowed down, controlled system compared to Schaus' fast-pace style, Carroll and senior point guard Jerry Sichting led Purdue to a first place Big Ten tie with an Earvin Johnson-led Michigan State. Not receiving the favor of the two teams to advance to the NCAA Tournament, Carroll led Purdue to the NIT Finals his junior year, losing to in-state rivals, Indiana. He averaged 22.8 points a game on the season and was named First Team All-Big Ten and a Third Team All-American, while leading the Boilers to a 27–8 record. He grabbed a school record 352 rebounds on the season.

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