Megan Duffy (born July 13, 1984) is an American women's basketball coach, currently associate head coach with George Washington University. Previously, she had been an assistant coach with St. John's University, and a professional basketball player in the WNBA, most recently playing for the New York Liberty.Duffy was born in Dayton, Ohio. After graduating from Chaminade-Julienne, a Catholic high school in Dayton, she attended college at University of Notre Dame and graduated in 2006 with a double major in Psychology and Computer Applications. As an Irish athlete, Duffy was named to the CoSIDA Academic All American first team and was honorable mention Kodak All American. She received the Frances Pomeroy Naismith Award from the Women's Basketball Coaches Association as the best senior player under 5 ft 8 in (1.7 m). She is one of two players from Notre Dame, along with Niele Ivey, to win the award.Following her collegiate career, she was selected 31st overall in the 2006 WNBA Draft. Duffy spent her rookie season with the Lynx backing up Amber Jacobs, she average 3.4 points, 1.2 assists and 12.5 minutes per game in 2006.Duffy went to training camp with the Lynx in 2007 but was released on April 26. She signed with the Los Angeles Sparks on April 30, but she was waived on May 18 in the final pre-season roster cutdown.A free agent most of the 2007 season, Duffy was re-signed by the Lynx on August 7, due to Kathrin Ress' departure to train with the Italian National Team. Duffy appeared in four games with Minnesota, averaging 1.4 points per game.On March 11, 2008 the New York Liberty signed Duffy to a training camp contract.During the 2006–07 WNBA off-season she played for the Rhondda Rebels in Wales, UK. In the 2007–08 WNBA off-season she played for Ribera in Italy. She played for MBK Ružomberok in Slovakia from September through December 2008 during the WNBA offseason. In January 2009, Duffy signed with CSS LMK Sfântu Gheorghe in Romania.In 2009, Duffy retired from play and entered the coaching ranks as an assistant under Kim Barnes Arico at St. John's. Her initial responsibilities included guard skills, scouting, and game planning. In 2011–12, Duffy also became St. John's recruiting coordinator. In 2012, Duffy accepted the position as associate head coach with George Washington.