The re-jig will align the world's number one handset maker with the opportunities it sees for future growth in the mobile sector, according to a statement.
Nokia also hopes that the move will make it more efficient and reduce the time taken to bring new mobile phones to market.
The new divisions are Devices, concentrating on handset hardware, Software and Services, specifically consumer internet services and enterprise software systems, and Markets, responsible for Nokia's sales channels, supply chains and marketing.
These replace the previous product segmentations of Mobile Phones, Enterprise Solutions and Multimedia.
Nokia has also created a new position of chief development officer to integrate product development across all three units.
Mary McDowell, currently head of enterprise solutions, has been appointed to the new role, giving an indication of the Nokia's future direction.
The reorganisation will help Nokia exploit the convergence between mobility and internet technologies, according to chief executive Olli-Pekka Kallasvuo.
No job losses have been announced with the reorganisation.
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