Dillon Thieneman

Dillon Thieneman (; born August 8, 2004) is an American professional football safety for the Chicago Bears of the National Football League (NFL). He played college football for the Purdue Boilermakers and Oregon Ducks and was selected by the Bears in the first round of the 2026 NFL draft.

Early life Thieneman attended Westfield High School in Westfield, Indiana. In Thieneman's high school career, he totaled 246 tackles with 11 being for a loss, half a sack, 11 pass deflections, five interceptions, and a fumble recovery. Thieneman committed to play college football at Purdue over other schools such as Indiana, Minnesota, and Northwestern.

College career Purdue Thieneman was named a starting safety as a freshman in 2023. In his first career game in the season opener, he recorded ten tackles and an interception, earning Big Ten Conference freshman of the week honors. The following week versus Virginia Tech, Thieneman recorded another interception. In week 6, he recorded eight tackles and an interception in a loss to Iowa. For his performance, Thieneman was named the Big Ten freshman of the week for the second time.

In the final week of the season, Thieneman recorded two interceptions and eight tackles as Purdue defeated Indiana to keep the Old Oaken Bucket. He was named Big Ten freshman of the week for the fifth time, becoming the first defensive player to do so.

Thieneman was named the Thompson-Randle El Freshman of the Year as the best freshman in the Big Ten. He set Purdue freshman records for interceptions (6) and solo tackles (74). On December 11, Thieneman was named a third-team All-American by the Associated Press, one of two freshmen to be named.

On December 4, 2024, Thieneman announced that he would enter the NCAA transfer portal.

Oregon Thieneman transferred to play for the Oregon Ducks for the 2025 season. He made 15 appearances for the Ducks in 2025, recording 96 combined tackles, one sack, two interceptions, and five pass deflections. Thieneman declared for the 2026 NFL draft following the season.

Professional career

Thieneman was selected in the first round of the 2026 NFL draft with the 25th overall pick by the Chicago Bears. On June 5, 2026, Thieneman signed a four-year, $19.51 million contract with the Bears.

Personal life Thieneman has two brothers, Jake, and Brennan, who played safety at Purdue.