Serapio Calderón Lasso de la Vega (September 14, 1843 – April 3, 1922) served as Interim President of Peru, officially as the President of the Government Junta, from May 7, 1904 to September 24, 1904.

Calderón was born in Paucartambo (Cusco Region) in September, 1843.

[1] The first vice president was Lino Alarco, who had died before his investiture.

Under such circumstance, Calderón had to assume the presidency on May 7, 1904 after the death of Candamo.

Calderon called for elections and José Pardo y Barreda of the Civilista Party was declared the winner.