LBS is a three-letter abbreviation which may mean:

• Common brand of German Landesbausparkassen, cf. German public banks.
• Lazy bowel syndrome, a common bowel issue.
• Lease Buyback Scheme, a monetisation option introduced by the Singapore Government
• Leeds Building Society, formerly the Leeds and Holbeck building society.
• Left Behind Spouse, used in a number of midlife crisis forms.
• Legendary Banked Slalom, snowboard race held annually at Mt. Baker Ski Area in Washington State
• Lexington Broadcast Services Company, defunct television production and syndication company
• Liberia Broadcasting System, state-owned radio broadcasting network in Liberia
• Liberty Broadcasting System, defunct radio network
• Liverpool Business School
• Lotus Business School, a B-School in India affiliated with Pune University   
• Load Balancing System, distributed processing system by Cadence Design Systems
• Local bike shop, small bicycle service shop
• Location-based service, mobile feature utilizing location information, such as GPS
• London Business School, college of the University of London
• Lauder Business School, Fachhochschule in Vienna, Austria
• Hypoglycemia, medical term for low blood sugar
• Louise Brooks Society, fan club for the silent-film star

The pound or pound-mass (abbreviations: lb, lb_m, lbm, ℔ ) is a unit of mass  used in the imperial, United States customary and other systems of measurement. A number of different definitions have been used, the most common today being the international avoirdupois pound which is legally defined as exactly