Keishaun Calhoun is a defensive lineman for the Indiana Hoosiers standing 6'2" and weighing 265 pounds. The Groveport, Ohio native was a consensus three-star prospect and top-100 defensive lineman recruit in the 2025 class. At Groveport-Madison High School under coach Mitchell Westcamp, Calhoun recorded 42 tackles, 11.0 tackles for loss, and 55 sacks as a junior, adding three forced fumbles, three fumble recoveries, and two defensive touchdowns. He earned first-team all-conference and second-team all-district honors that season. Calhoun redshirted during his 2025 freshman season and is a returning roster member for 2026.