Orajärvi is medium-sized lake in the Kemijoki main catchment area in Finland. It is located in Sodankylä municipality, in the eastern Lapland region.
Orajärvi is also a village where is parts: Orakylä, Hirviäkuru, Välisuvanto and Tepsanniemi. Inhibitants counted together are 250. Orajärvi village is located 20 km to east-south from Sodankylä. Orajärvi lake is also located there.
Furthermore there are 3 other Orajärvi-lakes in Finland, in municipalities of Pello, Jyväskylä and Espoo.