Viby
Viby may refer to:
- Viby, Kristianstad, a village in Kristianstad Municipality, Sweden
- Viby, Sollentuna, part of Sollentuna Municipality, Sweden
- Viby, Närke, a village in Närke and parish of the diocese of Strängnäs, Sweden
- Viby J, a town in Jutland, Denmark
- Viby SJ, a town on the island of Zealand, Denmark
- Marguerite Viby, a Danish actress