Wilson coached the Hoosiers for six seasons. He will be co-offensive coordinator at Ohio State.
Defensive Coordinator Tom Allen will take over as the permanent head coach.
The Hoosiers will play their first game on September 1st in Miamia, FL against Florida International University.
Fresh off signing an extension, Kevin Wilson secured 21 commitments on National Signing Day.
Wilson's contract will last through the 2021 season and brings the coach's salary to $2.55 million.
Indiana will play Duke in the Pinstripe Bowl on Dec. 26 at Yankee Stadium.
Indiana football defeated Purdue for the third consecutive year, making the Hoosiers bowl eligible for the first time since 2007.
Indiana finishes their home schedule 3-4, with all four losses coming in conference play by eight points or fewer.
In the final home game of the season, Indiana Football fell in Double Overtime to No. 14 Michigan, 48-41.
The Indiana football team will battle its fourth ranked opponent Saturday – 15th ranked Michigan.