Lazu may refer to:
Romania Lazu, a village in Agigea Commune, Constanța County Lazu, a village in Terpezița Commune, Dolj County Lazu, a village in Malovăț Commune, Mehedinți County Lazu, a village in Gherghești Commune, Vaslui County Lazu, a tributary of the Danube–Black Sea Canal in Constanța County Lazu (Mureș), a tributary of the Mureș in Hunedoara County Lazu, a tributary of the Mara in Maramureș County Lazu, a tributary of the Crișul Pietros in Bihor County
India Lazu, Arunachal Pradesh, a village in Tirap district of Arunachal Pradesh in India
See also Laz (disambiguation)