Dennis Cliff Smith Jr. (born November 25, 1997) is an American professional basketball player for Real Madrid of the Spanish Liga ACB and the EuroLeague.

[2] On December 28, 2013, Smith scored 41 points in a 82–73 win over Homeschool Christian Youth Association and future NBA player Justin Jackson.

After the conclusion of his sophomore season, Smith participated in the NBPA Top 100 Camp on June 19, 2014, at John Paul Jones Arena in Virginia.

On February 11, 2015, in the last game of the season, Smith scored 33 points in a (90–58) loss to Word of God Christian Academy in the NCISAA 1-A Semi-finals.

[14] On July 27, 2015, in a televised game on ESPNU, Smith recorded 29 points, 10 rebounds and 8 assists in a 78–77 win over Kyle Guy and Indiana Elite.

He was originally ruled out for his entire senior season of high school but in between two weeks and two months, he claimed that he had become more explosive, with his vertical increasing by 8 inches.

[22][23] Sources: In December 2015, Smith decided to reclassify and graduate early from Trinity Christian School and in January 2016 he enrolled at North Carolina State University.

[28] On November 21, 2016, Smith recorded a then-career-high 24 points to go along with 8 assists, defeating Saint Joseph's University, 73–63, in the Paradise Jam tournament.

On November 26, 2016, he scored a season-high 30 points, grabbed 6 rebounds and tallied 7 assists to help NC State defeat Loyola University Chicago.

[30] On January 4, 2017, Smith recorded a triple-double—27 points, 11 rebounds and 11 assists—in a win against the Virginia Tech Hokies, making him and Julius Hodge the only two NC State players to achieve this feat.

[31] On January 23, 2017, Smith scored a new career high with 32 points and 6 assists in an 84–82 victory against the Duke Blue Devils, leading NC State to its first win at Cameron Indoor Stadium since 1995.

After his freshman season, Smith announced his intention to forgo his final three years of collegiate eligibility and enter the 2017 NBA draft.

At 20 years, 34 days, Smith became the sixth-youngest player in NBA history to have a triple-double, behind Lonzo Ball, Markelle Fultz, Luka Dončić and LeBron James.

[47] On January 31, 2019, Smith was traded to the New York Knicks along with DeAndre Jordan, Wesley Matthews and two future first-round draft picks in exchange for Kristaps Porziņģis, Tim Hardaway Jr., Trey Burke and Courtney Lee.

[59] On March 3, Smith recorded his third career triple-double with ten points, eleven assists and a career-high twelve rebounds in a 129–105 win over the Toronto Raptors.

[63] On February 16, 2022, he was diagnosed with a high-grade partial tear of the ulnar collateral ligament (UCL) in his right elbow, and was subsequently ruled out for three-to-four weeks.

After being waived by Portland, Smith considered attempting to sign with an NFL team as a defensive back rather than playing basketball overseas.

[67] On October 19, he made his Hornets debut, recording 12 points, two rebounds, four assists, two blocks and two steals in a 129–102 win over the San Antonio Spurs.