Kaimana Nacua (born March 3, 1995) is an American football free safety who is a free agent. He played college football at Brigham Young University (BYU).
Nacua was signed by the Cleveland Browns as an undrafted free agent on May 4, 2017. Throughout training camp, he competed for a roster spot against Justin Currie and Trey Caldwell.
On September 3, 2017, the Browns waived Nacau and signed him to their practice squad the next day. On September 8, 2017, Nacua was promoted to the active roster.
Head coach Hue Jackson named Nacua the backup strong safety behind Derrick Kindred to start the regular season.
On May 1, 2018, Nacua was claimed off waivers by the Baltimore Ravens. He was waived on August 31, 2018. He was re-signed to the practice squad on September 15, 2018. He was released on October 15, 2018.
On December 5, 2018, Nacua was signed to the Carolina Panthers practice squad. He signed a reserve/future contract with the Panthers on December 31, 2018. He was waived on August 4, 2019.
On August 19, 2019, Nacua signed with the Indianapolis Colts. He was waived/injured on August 31, 2019, and was placed on injured reserve.
On November 24, 2020, Nacua was signed to the San Francisco 49ers practice squad. He was promoted to the active roster on December 2, 2020.
On February 11, 2021, Nacua signed a one-year contract extension with the 49ers. He was released on August 27, 2021. He re-signed to the practice squad on September 10, 2021.
On December 23, 2021, Nacua was signed by the New York Jets off the 49ers practice squad. He was promoted to the active roster on December 25, 2021. On August 23, 2022, he was released.