Allende is a Basque surname. Notable people with the surname include:
Andrés Pascal Allende (b. 1943), Chilean revolutionary and nephew of Salvador AllendeFernando Allende (b. 1952), Mexican entertainerIgnacio Allende (1769-1811), Captain of the Spanish Army in MexicoIgnacio Allende Fernández (b. 1969), Spanish porn actor and producerIsabel Allende (politician) (b. 1945), Chilean politician and daughter of Salvador AllendeIsabel Allende (b. 1969), Chilean writerJorge Allende (b. 1934), Chilean biologistLaura Allende (1911–1981), Chilean politician and sister of Salvador AllendeSalvador Allende (1908–1973), President of Chile