Gian Marco Moroni (born 13 February 1998) is an Italian tennis player.
Moroni has a career high ATP singles ranking of 212 achieved on 27 August 2018.
He also has a career high ATP doubles ranking of 327 achieved on 20 May 2019.
Moroni made his ATP main draw debut at the 2019 Swiss Open Gstaad after qualifying for the singles main draw, defeating Luca Margaroli and Marco Trungelliti.