The 1997–98 Nicholls State Colonels men's basketball team represented Nicholls State University in the 1997–98 NCAA Division I men's basketball season.

The Colonels, led by eighth-year head coach Rickey Broussard, played their home games at Stopher Gymnasium in Thibodaux, Louisiana as members of the Southland Conference.

After running off 14 straight wins to begin conference play, the Colonels finished atop the conference regular season standings with a 15–1 record in Southland play.

16 seed in the West region, Nicholls State lost to No.

1 seed and defending National champion Arizona.