The 1983–84 Georgetown Hoyas men's basketball team represented Georgetown University in the 1983–84 NCAA Division I college basketball season. John Thompson coached them in his 12th season as head coach. They played their home games at the Capital Centre in Landover, Maryland, except for one game played at McDonough Gymnasium on the Georgetown campus in Washington, D.C. The team was a member of the Big East Conference and finished the season with a record of 34–3 overall, 14–2 in Big East play. They won both the Big East regular-season championship, the 1984 Big East tournament championship, and they defeated Houston in the 1984 NCAA tournament final to win the first national championship in Georgetown history.