Nicholas Siega (born 25 February 1991) is an Italian professional football player who plays for Serie D club Chievo.
He made his professional debut in the Lega Pro for Pro Patria on 1 September 2013 in a game against Cremonese.
On 15 July 2019, he signed with Pisa.
On 29 July 2022, Siega signed a two-year deal with Südtirol.
On 1 February 2024, Siega moved to Serie C club Turris.