Moriah Jefferson (born March 8, 1994) is an American professional basketball player who is currently a free agent. She was drafted second overall by the San Antonio Stars in the 2016 WNBA draft. Jefferson played point guard for UConn women's basketball team, where she won four consecutive national championships. She finished her UConn career ranked first in assists, second in steals, and as a two-time winner of the Nancy Lieberman Award as the top point guard in the nation.

Jefferson is the daughter of Robin and Lorenza Jefferson. She has two brothers, Joshua and Jeremiah, and one sister, Danielle Noble.

Jefferson played five varsity seasons with the Texas Home Educators Sports Association (THESA) Riders as a homeschooled athlete. Jefferson began playing with THESA's varsity squad as an eighth grader and compiled 509 points, 85 rebounds, and 87 assists. In her freshman year, she started in 50 of 51 games played and averaged 19.5 points, 1.7 rebounds, 1.7 assists. and 2.8 steals per game to help THESA to a 42–10 record. As a sophomore, Jefferson averaged 17.5 points to help her team to a 42–9 record. During her junior year, she started all 50 games and averaged 21.8 points, 5.0 rebounds, 4.0 assists, and 4.0 steals per game in aiding her team to a 42–8 record. As a senior, she averaged 17.3 points, 3.8 rebounds, 3.6 assists, and 5.1 steals per game to lead her team to a 41–6 record. Jefferson helped lead the Riders to five National Christian Homeschool Basketball Championships (NCHBC) titles and five NCHBC Texas Region titles and finished her career with 3,354 points, 825 rebounds, and 728 steals.

Jefferson was selected to the 2012 WBCA High School Coaches' All-America Team. She participated in the 2012 WBCA High School All-America Game, scoring four points.

Jefferson was recruited by many schools; she visited Baylor, Connecticut, Oklahoma, Texas and Texas A&M, and was also considering Kentucky and Tennessee before cutting her list down to Baylor, Connecticut and Texas A&M. She ended up choosing Connecticut. She is the first recruit from the state of Texas to play for UConn.

Jefferson was named to the USA Basketball U18 team, coached by Katie Meier, the head coach of the University of Miami. Among Jefferson's teammates were Connecticut-bound players Breanna Stewart and Morgan Tuck. The team played in the Ninth Women's FIBA Americas U18 Championship For Women, held in Gurabo, Puerto Rico during August 2012. The USA team won all five games to win the championship and the gold medal. After winning the first four easily, with winning margins of 40 points or more, USA fell behind by double digits in the gold medal game against Brazil. The team came back from the deficit, and went on to win the game 71–47. Jefferson averaged 5.6 points per game, and, although the shortest player on the team at 5 ft 6 in (1.68 m), she tied for third in blocks with five over the course of the event.

Jefferson continued with the team as it became the U19 team, and competed on behalf of the US at the FIBA U19 World Championship, held in Klaipėda and Panevėžys, Lithuania, in July 2013. The team won all nine games, with an average winning margin of 43 points per game. Jefferson scored 4.0 points per game, and was third on her team with 31 assists over the course of the event.

Jefferson was a member of the USA Women's Pan American Team which participated in basketball at the 2015 Pan American Games held in Toronto from July 10–26, 2015.