Nicolás Álvarez (Spanish pronunciation: [nikoˈlas ˈalβaɾes]; born 8 June 1996) is a Peruvian tennis inactive player. He has a career high ATP singles ranking of world No. 288 achieved on 29 August 2022. He also has a career high ATP doubles ranking of No. 345, achieved on 2 March 2020.
Álvarez has represented Peru at Davis Cup. In Davis Cup he has a win–loss record of 6–5.
On the junior tour, Álvarez had a career high ITF junior ranking of No. 17 achieved in March 2014.