Ombú (Phytolacca dioica) is a massive evergreen tree native to the Pampa of South America, belonging to the order Caryophyllales
Ombú may also refer to:
El Ombú, a Mennonite settlement in Río Negro Department, Uruguay El Ombú, a poem by Argentine politician Luis Lorenzo Domínguez El Ombú, stories by Anglo-Argentine naturalist William Henry Hudson Cañada Ombú, a populated place in Vera Department, province of Santa Fe, Argentina Cuchilla del Ombú, a village in Tacuarembó Department, Uruguay Battle of Ombú, a military conflict in South America in 1827 Ombu, a village in Tibet