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 J station, a railway station
 * Viby Sj, a town on the island of Zealand, Denmark
 * Marguerite Viby, a Danish actress