Gregoria de Jesús y Álvarez (9 May 1875 – 15 March 1943), also known by her nickname Oriang, was the founder and vice-president of the women's chapter of the Katipunan of the Philippines. She was also the custodian of the documents and seal of the Katipunan. She married Gat Andrés Bonifacio, the Supremo of the Katipunan and President of the Katagalugan Revolutionary Government. She played a major and one of the important roles in the Philippine Revolution. After the death of Bonifacio, she married Julio Nakpil, one of the generals of the revolution. She had one son from Andrés Bonifacio and five children from Julio Nakpil.