BirdLife Sverige (known as the Swedish Ornithological Society, , or SOF before 2014) is a Swedish ornithological society founded in 1945 and a BirdLife partner. It currently has 16,500 members, 24 regional branches, and a staff of 24.
The main three goals of the organization are:
BirdLife Sverige develop an electronic, internet-based bird reporting system called Artportalen, used by thousands of Swedish bird watchers to report sightings.
The organization also publishes three magazines: , Ornis Svecica and .