Matías Alemanno (born 5 December 1991) is an Argentine professional rugby union player who plays as a lock for Premiership Rugby club Gloucester and the Argentina national team.

[2][3] He was a member of the Pampas XV squad for the 2013 Vodacom Cup in South Africa and he also went on their tour of Australia in 2014.

Alemanno was signed to play for Jaguares until 2020 after which he moved to England to join Gloucester.

[citation needed] He made his senior debut for Los Pumas on 17 May 2014, scoring a try in Argentina's comfortable win over Uruguay.

[6] Alemanno was a starter for the Argentina national team on 14 November 2020 in their first ever win against the All Blacks.