Juan Eslava Galán (born 7 March 1948) is a Spanish writer of historic genre, both fiction and non-fiction. He has published some of his works under the pen name Nicholas Wilcox. In 2012 he published Las ciudades de la Bética, an essay by Fundación José Manuel Lara; Historia del mundo contada para escépticos, other essay by Editorial Planeta; and Últimas pasiones del caballero Almafiera, a novel by Editorial Planeta.