Gregorio Aglipay Cruz y Labayán (Latin: Gregorius Aglipay; Filipino: Gregorio Labayan Aglipay Cruz; 5 May 1860 – 1 September 1940) was a former Filipino Catholic priest who became the first head of the Iglesia Filipina Independiente, an independent Church in the form of a national church in the Philippines. Known for inciting patriotic rebellion among the Filipino clergy, he was also a political activist who became acquainted with Isabelo de los Reyes, who would start an independent Christian Filipino Church named after Aglipay in 1902.