Dorian Mausi (born March 5, 2002) is an American professional football linebacker for the Tennessee Titans of the National Football League (NFL). He played college football for the Duke Blue Devils and Auburn Tigers.

Mausi attended University of Detroit Jesuit High School and Academy in Detroit, Michigan. He was rated as a three-star recruit and committed to play college football for the Duke Blue Devils over Michigan State, Colorado State, and Indiana.

As a freshman in 2020, Mausi recorded 29 tackles with two being for a loss, and a sack and half, making three starts. In 2021, he notched 59 tackles with two being for a loss, and half a sack in 11 starts. In 2022, Mausi accounted for 44 tackles. In 2023, he tallied 61 tackles and an interception. After the season, Mausi entered his name into the NCAA transfer portal.

Mausi transferred to play for the Auburn Tigers. In week 9 of the 2024 season, he recorded ten tackles with two being for a loss, and a forced fumble versus Kentucky. Mausi finished the 2024 season with 81 tackles with nine being for a loss, two and a half sacks, and a forced fumble.

After not being selected in the 2025 NFL draft, Mausi signed with the Minnesota Vikings as an undrafted free agent. He was waived on August 26 as part of final roster cuts.

On August 27, 2025, Mausi was claimed off waivers by the Tennessee Titans.