The 1991 Chilean telethon was the tenth version of the solidarity campaign conducted in Chile, which took place on 29 and 30 November 1991. The theme of this version was "Thanks to You" as a way of thanks to the Chilean public who had participated in the campaign for 13 years.
It was the last edition of the Chilean telethon, that was identified with a cardinal number as from the next edition it began to be identified as Teletón and the year of the broadcast.
The final total on the night, released by the Banco de Chile and read by Javier Miranda (TV host) was CL$ 1,584,289,345. The final collection of the telethon was CL$ 1,803,923,485. The poster girl was Angela Castro.
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Myriam Hernández Luis Jara Gloria Simonetti Héctor Galaz Giolito y Su Combo José Luis Arce La Sonora de Tommy Rey Síndrome Se Busca Los Clásicos Zalo Reyes Soledad Guerrero Fernando Ubiergo Sonora Palacios Inti-Illimani Cecilia Echeñique Los Huasos Quincheros Lorena Congreso Miguelo Ximena Reyes Eduardo Valenzuela Hola Hola Rodolfo Navech Tito Fernández Nicole Mónica De Calixto Illapu Álvaro Scaramelli Guillermo Fernández Juan Antonio Labra 
Andrea Tessa Sexual Democracia De Kiruza La Ley
Nydia Caro
Lucero
Víctor Víctor
Sergio Dalma Franco Simone Ednita Nazario Braulio
Alejandro Lerner Tam Tam Go
Banda Blanca Ángela CarrascoThis was La Red's first telethon as participating network, and was Megavision's second under its present name.