Oshun (known as Ochún or Oxúm in Latin America) also spelled Ọṣun, is an orisha, a spirit or deity that reflects one of the manifestations of God in the Ifá and Yoruba religions. She is one of the most popular and venerated orishas.
She is the patron saint the Osun River in Nigeria, which bears her name. Oshun is honored at the Osun-Osogbo Festival a two-week-long annual festival, usually in August, at the Osun-Osogbo Sacred Grove on the banks of the Osun River, Nigeria.
Oshun is syncretized with Our Lady of Charity, patron saint of Cuba, and Our Lady of Aparecida, the patron saint of Brazil. In Trinidad she is associated with St. Philomena and the Hindu deity Ganga Mai or Mother Ganges.
According to the Ifa Literary Corpus in Ose Otura, Ọṣun was the only female irunmole (primordial) sent to set up the world by Olodumare. The other males that were sent began the work and ignored Ọṣun. Ọṣun gathered the women and protested the blatent disrespect by forming Iyami Aje, a band of women endowed with special power. The men failed miserably and when they inquired to Olodumare as to why they weren't succeeding, Olodumare informed them that nothing can be done with out Ọṣun. Anything they attempt to do without women will fail. The male irunmole hurried to beg Ọṣun to join them. 
Oshun is said to have gone to a drum festival one day and to have fallen in love with Shango. Since that day, Shango has been married to Oba, Oya, and Oshun, though Oshun is said to be his principal wife. Other stanzas in the Ifa Literary Corpus say that she was also married to Orunmila, the Orisha of Wisdom and Divination.
Oshun is the orisha of the river. Her devotees leave her perform offerings and ceremonies at bodies of fresh water such as rivers, streams and canals.
Oshun is associated with the colours gold/deep yellow in the diaspora and in Nigeria, white, yellow and green. In Trinidad she's associated with the colour pink.
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