Look up bls in Wiktionary, the free dictionary.

As an acronym, BLS may stand for:

• BLS (cryptography)
• Bachelor of Library Science
• Basic life support, an emergency medical protocol
• BellSouth, ticker symbol for the United States telephone company
• BLS AG, a railway company in Switzerland once called Bern-Lötschberg-Simplon railway
• Black Label Society, a heavy metal band
• Boston Latin School, the first school established in North America
• Brillouin Scattering (or Brillouin Light Scattering)
• Brooklyn Law School
• Bucerius Law School, the first private law school in Germany
• Buckeye Leadership Society, an honorary leadership Society at The Ohio State University
• Bureau of Labor Statistics, a United States government agency
• Cadillac BLS
• WBLS-FM, a New York radio station

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