Mario Pani Darqui (Mexico City; March 29, 1911 - Mexico City; February 23, 1993) was a Mexican architect and urbanist, one of the most active under the rule of president Miguel Alemán Valdés. He specialised in architecture and urbanism in the first half of the 20th century and gave form to a good part of the urban appearance of Mexico City, with buildings emblematic and characteristic of this large city like the University City of the UNAM, the Unidad Habitacional Nonoalco-Tlatelolco (following Le Corbusier's urban principles), the Normal School of Teachers, the National Conservatory of Music and diverse big housing blocks.
Mario Pani studied and graduated as an architect in France and Mexico. He founded the National College of Architects in 1946. He introduced the international style in Mexico and was the first builder of big housing blocks and applier of urbanist projects. Pani was a great innovator of the urban design of Mexico City and was involved in the construction of some of its newer parts, developing and participating in the more ambitious and important city-planning plans of the 20th century in Mexico, like Ciudad Satélite (along with Domingo Garcia Ramos and Jose Luis Cuevas), Tlatelolco, the Juárez and Miguel Alemán condominiums (called multifamiliares), and the condominium in Paseo de la Reforma, first of its type in Mexico.
His son Knut is a well-known artist.