L&B or L and B may refer to:

• L&B Spumoni Gardens, pizzeria and restaurant in New York City
• Lynton and Barnstaple Railway, a railway in England
• Lambert & Butler, a cigarette brand

• Zeng Shiqiang
• Zeng Shunxi
• Zeng Siyu
• Zeng Wei
• Zeng Wending
• Zengwen Reservoir
• Zengwun Reservoir
• Zengwun River
• Zeng Xian
• Zeng Xianzhi
• Zeng Xianzi
• Zeng Xisheng
• Zeng Yanfen
• Zeng Yanfen (politician)
• Zeng Yangfu
• Zeng Yaqiong
• Zeng Yinpei
• Zengyi Wang
• Zeng Yong
• Zeng Yongfu
• Zeng Yongquan
• Zengyu Ma
• Zeng Yunan
• Zeng Zhaolun
• Zeng Zhaoyu