Radu D. Lecca (February 15, 1890–1980) was a Romanian spy, journalist, civil servant and convicted war criminal. A World War I veteran who served a prison term for espionage in France during the early 1930s, he was a noted supporter of antisemitic concepts and, after 1933, an agent of influence for Nazi Germany. While becoming a double agent for Romania's (SSI), Lecca was involved in fascist politics, gained in importance during World War II and the successive dictatorships, and eventually grew close to Conducător Ion Antonescu.