Yb

YB is an abbreviation for:

• Ytterbium, a chemical element
• Young Buck, a rapper
• BSC Young Boys, a Bernese soccer club
• Yottabyte, a unit of information or computer storage
• Ypatingasis būrys
• Youngstown Belt Railroad
• Yoon Do Hyun Band, a South Korean rock band
• Yahoo! Buzz
• Yahoo! Briefcase
• Yahoo! Broadcast
• Yahoo! Search BOSS
• Yahoo bot