César Rodrigo Landa Arroyo (born 15 June 1958) is a Peruvian professor and politician.

He served as Minister of Foreign Relations of Peru intermittently from February to December 2022 under the presidency of Pedro Castillo.

In 2003, Landa was appointed ad hoc judge of the Inter-American Court of Human Rights, a position he resigned in 2004.

[7] On 13 September, thirty-nine days after being replaced, he was again appointed and installed by President Castillo as foreign minister.

[8] This came after his predecessor, Miguel Rodríguez Mackay resigned due to differences with President Castillo.