Bryant announced his pledge to the Hoosiers on ESPN.
"I just wanted to come here and be on TV and say that I'm committing to Indiana to play college basketball next year," Bryant said, according to The Indianapolis Star. "I'm very excited.
"I've been thinking about this long and hard. I've been talking it over with my mom and coaches. We just felt like being at Indiana was the best decision for me."
Indiana has already signed two players, three-star small forward O.G. Anunoby and four-star power forward Juwan Morgan, in the class of 2015.
This season the Hoosiers went 20-14 and posted a 9-9 record in Big Ten play.
They qualified for the NCAA tournament as a No. 10 seed and fell to No. 7 seed Wichita State in the round of 64.