Nicolás Martín Domínguez,(born 28 June 1998) is an Argentine professional footballer who plays as a centre midfielder for Italian club Bologna in the Serie A.
Domínguez played his first professional game for Vélez Sarsfield in a 3–2 victory against Estudiantes de La Plata for the 15th fixture of the 2016–17 Argentine Primera División, under Omar De Felippe’s coaching. He scored his first goal in a 3–0 victory against Tigre for the 28th fixture of that season.
On 30 August 2019, he signed a contract with Italian club Bologna and was loaned back to Vélez Sarsfield for the rest of 2019. Domínguez made his debut for Bologna as a sub on 12 January in a 1–0 loss away at Torino. He would make his first start for the club on 19 January in a 1–1 home draw against Hellas Verona.