Dyaisha Cheryce Fair (born August 7, 2001) is an American professional basketball player who is a free agent. Fair was the 16th overall pick in the 2024 WNBA draft. She played college basketball at the University at Buffalo and Syracuse University, finishing her career third among the NCAA Division I women's basketball career scoring leaders and having played the most minutes ever in NCAA Division I women's basketball history. In the fall of 2024, she played for AL ULA, a professional women's basketball club based in Saudi Arabia. She was then signed by AL AHLY, based in Cairo, which is part of the Egypt Superleague.

Fair attended Edison Tech High School in Rochester, New York. In her senior season she averaged 33.5 points, 10.0 rebounds, and 8.0 assists per game. Notable achievements include being named the All-Greater Rochester Player of the Year, Ronald-McDonald All-Star Team, 2018 New York State Sportswriters Association All-State Team honorable mention, and setting school and sectional records for points scored and three-pointers made.

In her debut season with the Buffalo Bulls, Fair earned accolades such as Mid-American Conference Freshman of the Year and Mid-American Conference East Player of the Week honors four times. She averaged 22.0 points, 5.9 rebounds, 3.5 assists, and 2.8 steals per game. She also had the highest field goal attempts in NCAA Division I women's basketball, was top five in active points and scoring average and most points and points per game in the MAC conference. Noteworthy achievements include recording a career-high 36 points and 11 rebounds on March 11, 2020, in a game against Kent State during the Mid-American Conference Tournament quarterfinals and her first career double-double on November 5, 2019, against Central Connecticut State with 24 points. Her performance earned her recognition on various watch lists, such as Dawn Staley Award and Her Hoop Stats Mid-Major Player of the Year award.

Her second season with Buffalo was played largely without attendance at home and three postponed home games due to the COVID-19 pandemic. She started all 24 games played and was named first Team All-MAC and All-Defensive Team. Averaging 24.1 points, 6.0 rebounds, 5.1 assists, and 2.9 steals per game, she led the Bulls in scoring in 22 out of 24 games, and also topped the team in assists and steals. She also held the highest active scoring average in NCAA Division I women's basketball. Fair had 23 games in double figures, including 19 with 20 or more points and five with 30 or more points. She became the fastest player in Buffalo program history and the 14th fastest in Division I women’s basketball history to reach 1,000 career points, achieving this feat in her 44th career collegiate game. She recorded the program’s first triple-double in nearly two decades with 28 points, 12 rebounds, and 10 assists in a victory over Akron on December 13, 2020. Throughout the season she also tied her career high of 36 points twice. Finishing the season ranked sixth in the nation in scoring, she also ranked in the top 25 in various statistical categories, including free throws made, steals, and assists. Fair's achievements earned her recognition as one of the 10 finalists for the Nancy Lieberman Award, as well as placements on the late-season watch lists for the Dawn Staley Award

In her third and final season at Buffalo, Fair led the team to their first NCAA Division I women's basketball tournament appearance since 2019. Averaging 23.4 points per game, the 2021-2022 season comprised her highest minutes per game at 37.4, field goal percentage at 40.4%, 3 point field goal percentage at 36.8%, and total points at 796. During the season she scored in double figures 31 times, 24 times with 20 or more points and seven times with 30 or more points. She also held top five career leadership in points, scoring average, 3 point field goal attempts per game, and was top again in field goal attempts. Fair scored the most points in her conference at 796 and points per game at 23.4 for the second time in her career. She was honored with an All-MAC First Team and All-Defensive Team honors, as well as MAC Tournament MVP after averaging a team-best 25.7 points, 4.3 rebounds, 5.7 assists and 3.3 steals. Fair was named an honorable mention All-American by the Associated Press, was on the late season watch list for the Dawn Staley Award, the Nancy Lieberman Award watch list, and as one of the 10 semifinalists for the Becky Hammon Mid-Major Player of the Year Award. In the Bulls first round NCAA Tournament loss to Tennessee, Fair scored 25 points, five rebounds, seven assists and two steals.

Following her junior season, she transferred to Syracuse University, following her Bulls coach, Felisha Legette Jack. With them, transferred fellow players, Dominique Camp, Cheyenne McEvans, Saniaa Wilson, and Georgia Wooley, and coaches Kristen Sharkey and Khyreed Carter. These transfers immediately made an impact on the team's performance with 9 more total wins than the previous year and an appearance in the 2023 Women's National Invitation Tournament Quarterfinal.

Fair was also extremely successful on the court, starting all 33 games for the Orange, averaging 19.9 points and 3.5 rebounds per game. She tied her season-high of 36 points while tying a program record of eight made three-pointers against Virginia on January 26, 2023 and logged a high of 40 minutes in five games. Fair led the ACC in steals per game with 2.4 and shot 39.8 percent from the field, 81.8 percent from the free-throw line, and 36.2 percent from three-point range. She amassed a total of 656 points during the season and reached 2500 career points against Boston College on February 5, 2023, joining Caitlin Clark as the only two active Division I Women's Basketball players to reach that level at the time. She was also placed as an active career leader in 6 categories, points, scoring average, steals, field goals made, 3 point field goals attempted per game, and as number one in field goals attempted. In the postseason WNIT, she averaged 21.3 points per game. Her continued performance in a power conference garnered recognition as she was named First Team All-ACC and on the All-ACC Defensive Team, as well as a Women's Basketball Coaches Association All-America Honorable Mention.

Following the season, Fair was selected compete at the 2023 3x3 U23 Nations League for the U.S. National Team.