Nickell Earl Robey-Coleman (born January 17, 1992) is an American football cornerback who is a free agent.

He was signed by the Buffalo Bills as an undrafted free agent in 2013 after playing college football at USC.

Robey-Coleman has also played for the Los Angeles Rams, Philadelphia Eagles, Detroit Lions and Las Vegas Raiders.

He started in all 12 games, posting a record of 63 tackles (including 5.5 for losses and 2 sacks), a team-high nine deflections, and two interceptions (with one a touchdown).

[7] Robey-Coleman was signed by the Buffalo Bills as an undrafted free agent following the conclusion of the 2013 NFL draft.

[19][20] In Week 3, he recorded an interception against the San Francisco 49ers that led to running back Todd Gurley to score his first touchdown of the game in the Rams 41–39 win.

[21] In Week 6 against the Jacksonville Jaguars, he recorded his second interception off a tipped ball by tight end Marcedes Lewis in a 27–17 win.

[22] He played in 15 games with four starts as the Rams' primary slot corner and nickelback, recording a career-high 49 tackles, nine passes defensed, two interceptions, and one forced fumble.

[27] Following the game, Robey-Coleman admitted that he thought he should have been called for defensive pass interference or a personal foul.

[29] During the Super Bowl, Robey-Coleman made a helmet-to-helmet hit on Rex Burkhead, which resulted in a personal foul.

[32] In the 2019 season, Robey-Coleman finished with 36 total tackles, seven passes defended, and two forced fumbles in 16 games, of which he started three.

[47] In November 2018, Robey-Coleman's son Nickell Jr. died after he was born prematurely and suffered from lung complications.

[47] Robey-Coleman, in 2019, revealed[48] in an exchange with Neil deGrasse Tyson, that he had doubts "all his life" about the Earth being round.