William Frits William-Olsson (November 27, 1902 - February 21, 1990) was a Swedish geographer and economist. William-Olsson was born in Stockholm and graduated from Lundsberg in 1921, then in 1927 receiving a degree in philosophy from Uppsala in 1927. He received a doctorate in philosophy in 1937 and went on to become an associate professor of Geography at the Stockholm School of Economics. He became a full professor in 1946 and taught Economic Geography through 1969.