Jorge Marcelo Holguín Mallarino (30 October 1848 – 2 March 1928) was a Colombian politician and military officer, two time Acting President of Colombia: June–August 1909 as interim president, and from November 1921 to August 1922.

He also served a term as Minister of Foreign Affairs in which he signed the Holguín-Avebury treaty.

[1] He was born (1848-10-30)30 October 1848 in Cali, Valle del Cauca Department, Republic of New Granada.

[citation needed] He was Minister of Foreign Affairs from 1897 until 1898, and again from 7 August 1918 – 16 September 1918.

He was Minister of War from 22 March 1909 – 7 June 1909 and President of Colombia from 11 November 1921 – 7 August 1922.