Loo or LOO may refer to:
Places Loo Microdistrict, a historic district of Sochi, Russia Loo (river), Krasnodar Krai, Russia Loo, Estonia, a small borough in Jõelähtme Parish, Harju County, Estonia Loo (village), a village in Jõelähtme Parish, Harju County, Estonia Lõo, a village in Lääneranna Parish, Pärnu County, Estonia Looe, a town in Cornwall, United Kingdom Loo, Duiven, a village in the province of Gelderland in the Netherlands Loo (Overijssel), a village in the province of Overijssel in the Netherlands Loo (Bernheze), a village in the municipality of Berheze in the province of North Brabant in the Netherlands Loo (Bergeijk), a village in the municipality of Bergeijk in the province of North Brabant in the Netherlands Loo (Uden), a village in the municipality of Uden in the province of North Brabant in the Netherlands Waterloo, Ontario, shortened as 'Loo or "The 'Loo" Lu (state), birthplace of Confucius (transliteration as used e.g. in translations by James Legge)
Buildings Het Loo Palace, palace in the Netherlands Hofje van Loo, courtyard in Haarlem, the Netherlands
Transport LOO, the IATA code for L'Mekrareg Airport in Algeria LOO, the National Rail code for Looe railway station in the UK
Language Loo language, an Adamawa language of Nigeria loo, the ISO 639-3 code for the Lombo language, spoken by the Turumbu people in the Democratic Republic of the Congo
Other uses Loo (surname) Loo (novel), Nepali novel by Nayan Raj Pandey Big Loo, a toy robot manufactured by Louis Marx and Company for the holiday season of 1963 Loo (wind), a strong, hot and dry wind which blows over Northern and parts of Western India during day time in summer Loo (card game), also known as Lanterloo, a card game Loo, informal term for a toilet Loo, a unicorn in L. Frank Baum's The Magic of Oz "Loo Loo Land", a 2020 episode of Helluva Boss Loo table, a round or oval table on a pillar, with a hinged top. Originally used when playing the card game, Loo Leave-one-out cross-validation (LOO or LOOCV), a statistical method for evaluating predictive models
See also Lieu (disambiguation) Loos (disambiguation)