YB or Yb may refer to:
Ybor City (/ˈiːbɔːr/ EE-bor) is a historic neighborhood in Tampa, Florida, United States, located just northeast of downtown.
Yahoo Boy No Laptop Nation, stylised and popularly known as YBNL Nation, is an independent record label founded by Olamide in 2012. Headquartered in Lagos, the record label is home to notable music acts including Lil Kesh and Adekunle Gold who refer to themselves as YBNL Soldiers.
Ybycuí is a Paraguayan rural community of the department of Paraguari, located 120 km away from Asunción, and 40 km from the Ruta una (Route 1).
Ybbs an der Donau (German pronunciation: [ˈɪps]) is a city in Austria. It was established in 1317. Throughout the town, from the intersection of the important trade routes and along the Danube the town has preserved a site that already had great economic importance during the Middle Ages.