Artur Carlos de Barros Basto (Hebrew: אברהם ישראל בן-ראש; Abraham Israel Ben-Rosh) (18 December 1887 – 8 March 1961) was a Portuguese military officer and writer, who published several works related to Judaism. He was an important Jewish leader and one of the people who established the Jewish Community in Porto and assisted the construction of the Kadoorie Synagogue, the largest Synagogue in Iberian Peninsula. Furthermore, he helped the return of Crypto-Jews to the Jewish people and, during World War II, helped Jewish refugees escape the Holocaust.