Writers' Union of the Philippines (Filipino: Unyon ng mga Manunulat sa Pilipinas, abbreviated as UMPIL) is the largest organization of Filipino writers in the Philippines. Established in 1974, the organization was first known by the English version of its name, the Writers' Union of the Philippines. It has the primary goal of promoting Philippine literature, uniting writers in the Philippines, and providing seminars, workshops, and symposia in order to achieve the first two goals. Its National Congress meeting is held annually during the last Saturday of August. The organization officially used the Filipino-language translation of its name, Unyon ng mga Manunulat ng Pilipinas (UMPIL), in 1987.