ZW or zw may refer to:
Zwarte Piet (pronounced [ˈzʋɑrtə ˈpit]; English: Black Pete or Black Peter, Luxembourgish: Schwaarze Péiter, Indonesian: Pit Hitam) is the companion of Saint Nicholas (Dutch: Sinterklaas, Luxembourgish: Kleeschen, Indonesian: Sinterklas) in the folklore of the Low Countries.
Zwickau (German pronunciation: [ˈtsvɪkaʊ]; Sorbian (hist.): Šwikawa, Czech Cvikov) is a town in Saxony, Germany, and the capital of the Zwickau district.
Zwolle (Dutch: [ˈzʋɔlə] (listen)) is a city and municipality in the northeastern Netherlands serving as Overijssel's capital.
Zwingenberg lies in the Bergstraße district in southern Hesse, Germany, south of Frankfurt and Darmstadt, and with the granting of town rights coming in 1274 it is the oldest town on the Hessian Bergstraße.
Zweibrücken (German pronunciation: [ˈt͡svaɪˌbʁʏkn̩], French: Deux-Ponts [døpɔ̃], Palatinate German: Zweebrigge [ˈd͡sʋeːbʁɪgə]) is a town in Rhineland-Palatinate, Germany, on the Schwarzbach river.
Zweibrücken Air Base was a NATO military air base in West Germany (ICAO: EDAM). It was located 35 miles SSW of Kaiserslautern and 2 miles mi SE of Zweibrücken.
Zweisimmen is a municipality in the Obersimmental-Saanen administrative district in the canton of Bern in Switzerland.