BLG may refer to:
* Former ISO 639-3 code for Balau, a dialect of the
Iban language.
*
Barlow Lyde & Gilbert
Barlow Lyde & Gilbert LLP (informally BLG) was an international law firm headquartered in London, United Kingdom which specialised in commercial litigation, dispute resolution, insurance and reinsurance. It had around 290 lawyers and 80 partne ...
, a British law firm
*
Belaga Airport, Sarawak, Malaysia
*
Beluga Airport, Alaska
*
Beta-lactoglobulin
*
Bilibili Gaming, a Chinese esports franchise
*
Borden Ladner Gervais, a Canadian law firm
* ''
Burke's Landed Gentry'', a genealogical publication
{{disambiguation