Viker may refer to:
Places Viker, Buskerud, a village in Ringerike municipality, Norway Viker Church, a historic church in the village of Viker in Ringerike, Norway Viker, Fredrikstad, a village in Fredrikstad municipality, Norway Viker, Østfold, a village in Hvaler municipality, Norway Viker, Sweden, parish in Örebro County, Sweden
People Henriette Viker (born 1973), Norwegian footballer Ola Viker (1897–1972), Norwegian writer and lawyer