Jack Daniels is a famous American whiskey brand name (a proper noun) derived from the founder’s surname, used as a brand identity rather than a descriptive term. It refers specifically to the Tennessee whiskey produced by the Jack Daniel Distillery. In everyday speech, people pronounce it as a two-word name with emphasis on the first and second syllables of each word. The pronunciation is consistent across major English-speaking varieties with minimal regional variation.
Full pronunciation guide
