Okija is a city in Ihiala LGA, Anambra State in Nigeria. Okija, the oldest town in the Ihiala local government area, and one of the biggest towns in Igboland. Okijians are generally Christians. It is the home of Madonna University, Okija. In Okija, Orashi River on its flow to the Atlantic, joins Okposi river one of its tributaries. 
The Okija Shrine or Ogwuwu Akpu is the popular local shrine in the city. It was a dispute settlement shrine where people with personal, land and business issues go to in order to seek adjudication by the gods.
Notable Nigerians from Okija
Okija is home to many notable Nigerians, including;
- Ebuka Obi-Uchendu a popular television and media personality
- Nze Akachukwu Sullivan Nwankpo (special adviser to Goodluck Jonathan, President of Nigeria)
- Macabre discovery in Okija, Anambra State! - by Alfred Obiora Uzokwe
- OPINION :- The Ogwugwu Okija fairy tale - by Jimmie Asoegwu and Obi Anoliefo, courtesy of Vanguard and the Internet Archive
- "Okija: Shrine Saga Enters the Movies"
- Understanding The Okija Shrine Phenomenon And The Art Of Mental Poisoning by Emmanuel U. Obi
- Full, Authentic List of Patrons of Okija Shrine (Part Two)
- Horror: Police find 50 bodies, 20 skulls in Anambra shrine
- Anazoo, I.J; et al. (2008). "Sanitary Quality of Ulasi River, Okija, Anambra State, Nigeria". Microbiology, Anambra State University of Science and Technology. African Journal of Applied Zoology and Environmental Biology. 7: 1. ISSN 1119-023X. Retrieved May 14, 2016.
- Mbajiorgu, C. C.; et al. (2003). "A water quality study of Ulasi river at selected locations" (PDF). 29th WEDC International Conference Towards The Millennium Development Goals: 1. Retrieved May 14, 2016.