Keilaniemi () is a district in the south-eastern part of Espoo, Finland. Keilaniemi is bordered by the university district of Otaniemi to the north, the commercial/residential district of Tapiola to the west, the Keilalahti bay separating Espoo and Helsinki to the east, and the Gulf of Finland to the south. The distance from Keilaniemi to the centre of Helsinki along the Länsiväylähighway is about 8 km.
Nowadays, Keilaniemi is mostly known for the numerous head offices of large corporations located there. The district includes the head offices of Nokia, Kone, Fortum, Neste Oil, and many smaller corporations. The large head office buildings are the most famous landmarks of the district. Keilaniemi rose to the position of a corporate concentration in 1976, when the Fortum head office was built there. The 18-story building is still among the tallest office buildings in the entire country of Finland.