Iraja may refer to:
One of two saints, Abadir and Iraja, in the Coptic Orthodox Church Irajá, a neighborhood in the city of Rio de Janeiro, Brazil Irajá Station, a subway station located in Irajá, Rio de Janeiro, Brazil
People Irajá Abreu (born 1983), Brazilian politician and businessperson Irajá Cecy (born 1955), Brazilian athlete Irajá Damiani Pinto (1919–2014), Brazilian paleontologist and professor