Patricio Geronimo Mariano (17 March 1877 at Santa Cruz, Manila – 28 January 1935) was a Filipino nationalist, revolutionary, pundit, poet, playwright, dramatist, short story writer, novelist, journalist, violinist, and painter. Mariano was a Katipunan member. Mariano was the son of Petronilo Mariano and Dionisia Geronimo.
Mariano received his high school education at the Ateneo Municipal de Manila (now known as the Ateneo de Manila University) and at the Colegio de San Juan de Letran. Mariano studied bookkeeping at the Escuela de Artes y Oficios. Mariano received his Bachelor of Arts degree from the Liceo de Manila (now known as the Manila Central University).
Mariano was influenced by José Dizon, a Katipunan leader and typography and stereography shop owner, in joining the Katipunan. Mariano worked for Dizon in the said printing shop. Mariano joined the Filipino revolution in 1896. However, Mariano decided not to fight till the end. In 1898, Mariano became a public servant during the First Philippine Republic, wherein he acted as the right-hand man of Ambrosio Rianzares Bautista. Bautista was the adviser to General Emilio Aguinaldo, the president of the First Philippine Republic. As a patriot, Mariano was one of the founders of the organization known as the Asociacion Pro Patria.
At a time when the Tagalog Theater was beginning to evolve, Mariano pursued a career as a playwright by writing zarzuelas in the Tagalog language. Mariano became a translator of literary works into the Tagalog language. Apart from being a zarzuela author and translator, Mariano wrote poetry, short stories, dramas, and operettas. Mariano focused on subjects of romance, social conditions, and the hopes of the Filipino people. Mariano used symbolism in his works. Mariano’s works as a playwright were performed at theaters such as the Zorrilla Theater, the Manila Grand Opera House, and the Rizal Theater in Tondo, Manila. Mariano’s play, Sampaguita ("Jazmine"), was shown at the Zorilla Theater in 1901. His one-act drama, Ang Pakakak ("The Tuba"), was presented at the Manila Grand Opera House on 7 July 1913, and his Ang Silanganan ("The East" or "The Levant"), another one-act drama, was performed at the Rizal Theater 30 December 1904.