Diego Vergara Albano (11 November 1803 – 8 August 1877) was a Chilean independence activist, deputy, senator, and landowner.

He married Jesús Antúnez Cruz in Talca and, in a second marriage, in Lontué on January 5, 1832, he married María Jesús Correa Albano,[2] with whom he had ten children: Francisca de Borja, Jesús, Isabel, Diego, Bonifacio, José, María Mercedes, Teresa, José Luis, and María Gertrudis.

He acted as part of the patriots in the independence of Chile, participating on April 17, 1830, in the battle of Lircay, where he joined the troops of Ramón Freire.

From 1858 to 1861, he was a deputy for Lontué,[4] a large estate that was his property, forming the Permanent Commission of Ecclesiastical Affairs.

Between 1861 and 1864, he was a deputy for the Linares Department,[4] forming the Permanent Commission of Elections and Qualification of Requests.