John Bullock (born April 22, 2001) is an American professional football linebacker for the Indianapolis Colts of the National Football League (NFL). He played college football for the Nebraska Cornhuskers.
Bullock was born in Omaha, Nebraska, and attended Creighton Preparatory School, where he was a defensive standout and an all-metro selection. He would commit to play college football at Nebraska.
Bullock joined Nebraska as a walk-on in 2019 and redshirted his first season. He played extensively on special teams in 2021âÂÂ2022 before moving to linebacker for the 2023 season; head coach Matt Rhule later placed him on scholarship in 2023.
In 2024, Bullock started all 13 games and recorded 70 tackles, 10 tackles for loss, four sacks, five pass breakups, two forced fumbles, and an interception. Following the season, he received Nebraska's Cornhusker Award, presented to a player who began as a walk-on and made the largest contribution in his final season of eligibility.
After going undrafted in the 2025 NFL draft, Bullock signed with the Tampa Bay Buccaneers as an undrafted free agent on May 9, 2025. During the preseason, he registered notable plays, including a 12-yard sack against the Pittsburgh Steelers on August 16. In Week 16 against the Carolina Panthers, he committed a dead-ball unnecessary roughness penalty, causing the Buccaneers to start a critical fourth quarter drive at their 10-yard line. On January 2, 2026, Bullock was waived.
On January 5, 2026, Bullock was claimed off waivers by the Indianapolis Colts.
Bullock's younger brother, Alex, has played wide receiver at Nebraska.