| Ottignies-Louvain-la-Neuve | |
| Picture-Legend: | The Town Hall |
| Map: | Ottignies-Louvain-la-Neuve Brabant-Wallon Belgium Map.svg |
| Map-Legend: | The municipality of Ottignies-Louvain-la-Neuve in Walloon Brabant |
| Arms: | Blason ville BE Ottignies-Louvain-la-Neuve.svg |
| Flag: | Drapeau Ottignies-LLN.svg |
| Arrondissement: | Nivelles |
| Nis: | 25121 |
| Mayor: | Julie Chantry (Ecolo) |
| Majority: | Ecolo-Avenir-PS |
| Postal-Codes: | 1340-1342, 1348 |
| Telephone-Area: | 010 |
| Web: | www.olln.be |
| Coordinates: | 50.6667°N 34°W |
Ottignies-Louvain-la-Neuve (in French pronounced as /ɔtiɲi luvɛ̃ la nœv/; Walloon: Ocgniye-Li Noû Lovén) is a city and municipality of Wallonia located in the Belgian province of Walloon Brabant. On January 1, 2006, Ottignies-Louvain-la-Neuve had a total population of 29,521. The total area is 32.96 km2 which gives a population density of 896 inhabitants per km2.
The municipality consists of the following sub-municipalities: Ottignies, Louvain-la-Neuve, Céroux-Mousty, and Limelette. Louvain-la-Neuve (sometimes abbreviated as "LLN") is a new town developed from 1968 in order to provide a home for the University of Louvain (UCLouvain), the French-speaking part of the former Catholic University of Louvain on its separation from the Dutch-speaking part, which remained in the ancient city of Louvain (Leuven).
See main article: article and Louvain-la-Neuve Science Park. Created in 1971, Louvain-la-Neuve Science Park is the first of its kind in Belgium and is the biggest one in Wallonia (the French-speaking part of Belgium). It covers spread over the area of the town of Ottignies-Louvain-la-Neuve and the municipality of Mont-Saint-Guibert (away from Brussels).
The Lhoist group, world leader in the lime, dolime and mineral solutions, has its head office in Ottignies-Louvain-la-Neuve (Limelette).
Ottignies-Louvain-la-Neuve is home to the Royal Ottignies Stimont football club (soccer)[1] and the Rugby Ottignies Club (rugby).[2]