Nicolás Alejandro Tagliafico (born 31 August 1992) is an Argentine professional footballer who plays as a left-back for the Ligue 1 club Lyon and the Argentina national team.

[2] Tagliafico made his professional debut for Banfield on a 2−1 away victory against Tigre for the fifth fixture of the 2011 Clausura, coming on as a substitute on the 72nd minute.

On 23 July 2022, he joined Ligue 1 club Lyon on a three-year deal until June 2025, for €4.2 million[4] Tagliafico has played in all the youth categories of the Argentina national team: under-15, under-17 and under-20.

Tagliafico was part of the starting line-up in the final against France, where Argentina won the World Cup by a score of 4–2 on penalties.

As a result of his skills, as well as his playing position and club, and nationality, and striking visual resemblance Tagliafico has been compared to the Internazionale and Argentina full-back Javier Zanetti, formerly also of Banfield.