SLB is the trade name and ticker symbol of Schlumberger Limited, an energy services company.

SLB may also refer to:

• Sustainability-linked bonds
• Single letter beacon, radio transmissions of a single repeating Morse code letter
• S.L. Benfica, a Portuguese sports club based in Lisbon
• SLB Radio Productions, Inc., producers of radio program The Saturday Light Brigade
• Scytalidopepsin B, a proteolytic enzyme
• Sigma Lambda Beta, US fraternity
• Solomon Islands, ISO-3166-1 alpha-3 code
• Sport Laulara e Benfica, an East Timorese football team
• Storm Lake Municipal Airport, Iowa, US, IATA code
• Strongside linebacker in American and Canadian football
• Supported lipid bilayers
• Swedish Friesian or Svensk Låglandsboskap, a Swedish breed of dairy cattle
• Server Load Balancer, Cloud Computing Term, see Load Balancing

This disambiguation page lists articles associated with the title SLB.
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