N. Porsenna (pen name of Nicu Porsena Ionescu, also known as Nicu Porsenna or Porsena; 13 January 1892 – 18 January 1971) was a Romanian lawyer, writer, publisher, social psychologist, and political figure, also active as a paranormal investigator. Born to a successful printer, whose business he inherited at age 20, he began his career in letters, and his lifelong participation in polemics, while attending Matei Basarab National College. Before the outbreak of World War I, he had attracted attention as a student organizer, modernist raconteur, and Flacăra journalist, also founding his own short-lived newspaper, Latinul. During Romania's neutrality years, Porsenna veered between strong support for the Entente Powers (hinted at in a verse drama he co-wrote with Scarlat Froda) and a more caut