Ugochukwu Amadi (born May 16, 1997) is an American professional football safety for the New Orleans Saints of the National Football League (NFL). He played college football for the Oregon Ducks and was selected by the Seattle Seahawks in the fourth round of the 2019 NFL draft. As a senior in 2018, he won the Lombardi Award.
Amadi signed with Oregon out of John Overton High School in Nashville, Tennessee as a consensus four-star cornerback over numerous Power 5 offers. Amadi played in all 51 games and had 34 starts for the Ducks from 2015 to 2018 and finished with 165 total tackles, 9.5 tackles for a loss for 54 yards, three sacks for 16 yards, eight interceptions for 122 yards and two touchdowns, 33 passes defended, four forced fumbles, and two fumble recoveries on defense.
Amadi was selected by the Seattle Seahawks in the fourth round (132nd overall) of the 2019 NFL draft. He made 16 appearances for Seattle during his rookie campaign, logging one fumble recovery and 17 combined tackles. Amadi made 14 appearances (five starts) for the Seahawks during the 2020 season, recording seven pass deflections, one forced fumble, and 54 combined tackles.
Amadi played in all 17 games (including seven starts) for Seattle during the 2021 campaign, compiling one interception, six pass deflections, one forced fumble, and 54 combined tackles.
On August 15, 2022, Amadi was traded to the Philadelphia Eagles in exchange for tight end J. J. Arcega-Whiteside.
On August 24, 2022, less than 10 days after being traded to Philadelphia, Amadi was traded to the Tennessee Titans paired with Philadelphia's 2024 seventh round pick in exchange for Tennessee's 2024 sixth round pick. He made two appearances for the Titans, recording five combined tackles. Amadi was waived by the Titans on October 31.
On November 3, 2022, Amadi was signed to the practice squad of the Kansas City Chiefs. With the Chiefs, he appeared in one game, logging one tackle. Amadi became a Super Bowl champion when the Chiefs defeated the Philadelphia Eagles in Super Bowl LVII.
On March 7, 2023, Amadi signed with the New Orleans Saints. He played all 17 games primarily on special teams.
On March 19, 2024, Amadi re-signed with the Saints. He was released on August 27, and re-signed to the practice squad. On October 26, Amadi was signed to the active roster. In 11 appearances (5 starts) for the Saints, he recorded 7 pass deflections, 2.0 sacks, and 65 combined tackles.
On March 24, 2025, Amadi re-signed with the Saints on a one-year contract.
Born in the United States, Amadi is of Nigerian descent.