Steven Christoffer Nielsen (born June 6, 1996) is a Danish professional gridiron football offensive lineman for the Frankfurt Galaxy of the European League of Football (ELF).

Nielsen played college football for the Eastern Michigan Eagles from 2016 to 2019.

[1] Nielsen signed as an undrafted free agent with the Jacksonville Jaguars on April 26, 2020.

[4] He made the active roster for the newly named Elks, following their training camp, and played in his first professional game on August 7, 2021, against the Ottawa Redblacks.

[5] On 17 November 2022, Raiders Tirol of the European League of Football announced they have signed Nielsen for the 2023 season.