Hamchétou Maïga-Ba (born 25 April 1978 in Bamako) is a Malian professional women's basketball player most recently with the Minnesota Lynx of the WNBA. She is also a member of the Mali women's national basketball team.

Maïga was an All-American player her senior year at Old Dominion University, as well as a three time All-Colonial Athletic Association team member. Senior year, she led the team in scoring (13.7 ppg). She wins her first French championship title, which is also the first for her club. However, she did not participate in the French Cup final, as her contract was over, and she had to join her new WNBA franchise, the Minnesota Lynx. A free agent, she had signed with this franchise in February 2010, her former franchise of the Monarchs having announced its disappearance in November 2009.^[1]

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Drafted with the 10th overall pick in the 2002 WNBA draft, Maïga did not start a full season for a WNBA squad until the 2007 season. Starting all 34 games for Houston, Maïga averaged 9.1 points per game, along with 4 rebounds, 2.3 assists and 1.7 steals per game. she was # 25

During the 2008–09 WNBA offseason, she was playing in the Czech Republic with Brno.^[3] During the 2009–2010 offseason, she is playing in France with Tarbes GB.

Maïga was the captain of the Mali squad which won the FIBA Africa Championship for Women 2007. By winning the tournament, Mali qualified for the 2008 Summer Olympics. Maïga was the M.V.P. of the tournament.