The 1990–91 Georgetown Hoyas men's basketball team represented Georgetown University in the 1990–91 NCAA Division I college basketball season. John Thompson, coached them in his 19th season as head coach. They played their home games at the Capital Centre in Landover, Maryland. They were members of the Big East Conference and finished the season with a record of 19-13, 8-8 in Big East play. Their record earned them a bye in the first round of the 1991 Big East men's basketball tournament, and they advanced to the final before losing to Seton Hall. They were the No. 8 seed in the West Region of the 1991 NCAA Division I men's basketball tournament – the 13th of 14 consecutive Georgetown NCAA tournament appearances – and advanced to the second round before losing to West Region No. 1 seed Nev