João Casimiro Namorado de Aguiar (28 October 1943 – 3 June 2010) was a Portuguese writer and journalist.
He spent his youth in Portuguese Mozambique.
Aguiar was born and died in Lisbon.
After working for a time in the Portuguese tourist industry in Brussels and Amsterdam, he studied journalism at the Free University of Brussels and in 1976 returned to Portugal to work as a journalist.
He worked for RTP (where he began his career in 1963) and a variety of daily and weekly periodicals such as the Daily News, A Luta, Diário Popular, O País, and Sábado.
In 1981 he was named press secretary of the Ministry of Quality of Life, a short-lived government department concerned with sports and the environment.
He was a regular contributor to the monthly magazine Superinteressante and sat on its editorial board.
He died of cancer on 3 June 2010 in Lisbon.
He dedicated himself to literature, being one of the most acclaimed Portuguese novelists in the genre of the historical novel.