The 1998–99 Rhode Island Rams men's basketball team represented the University of Rhode Island in the 1997–98 college basketball season.

This was head coach Jim Harrick's second of two seasons at Rhode Island.

The Rams competed in the Atlantic 10 Conference and played their home games at Keaney Gymnasium.

They finished the season 20–13, 10–6 in A-10 play and won the 1999 Atlantic 10 men's basketball tournament.

They received an automatic bid to the 1999 NCAA tournament where they were beaten by No.