The 1998–99 Creighton Bluejays men's basketball team represented Creighton University during the 1998–99 NCAA Division I men's basketball season.

The Bluejays, led by head coach Dana Altman, played their home games at the Omaha Civic Auditorium.

The Jays finished with a 22–9 record, and won the Missouri Valley Conference tournament to earn an automatic bid to the 1999 NCAA tournament.

[2]