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).
Ybor City Museum State Park is a Florida State Park in Tampa, Florida's Ybor City. The museum occupies the former Ferlita Bakery (originally La Joven Francesca) building at 1818 9th Avenue in the Ybor City Historic District.