Marcelo Alejandro Delgado (born 24 March 1973) is an Argentine former professional footballer, best known for his nickname "Chelo".

He was capped for Argentina and played at the 1996 Olympic Games and the 1998 FIFA World Cup.

[2] In the summer 2011, Delgado was appointed assistant coach to Raúl Alfredo Cascini at Los Andes.

[6] In 2016, Delgado played a few matches for his childhood club Defensores de Villa.

[7] On 19 December 2019, when his close friend and former pro-player Juan Román Riquelme was appointed vice-president and head of the football department of Boca Juniors, Delgado also joined the club as a member of Boca Juniors Soccer Council.