What is "ybs"

YBS may mean:

• Yamanashi Broadcasting System (株式会社山梨放送 Kabushiki-gaisha Yamanashi Hōsō?)
• Yale Bright Star catalogue
• YBS, a disco artist who had the hit song "Happy Birthday" in 1979, see List of disco artists (S-Z)
• Yorkshire Building Society, the 2nd largest building society in the UK
• Yellow-bellied slider, a land and water turtle belonging to the family Emydidae.
• Yukon Bureau of Statistics
• Yonsei Educational Broadcasting System (연세교육방송국)