Droog may refer to:
Droog (Russian: друг [drug]) - Russian word which means friend.
Droog, a Nadsat slang term for "friend" in Anthony Burgess's A Clockwork Orange
The Droogs, a United States rock group named after the Nadsat term
The Droogs (renamed to The Gandharvas), a Canadian rock group
Droogs (rocks), steep rocks in India
Droog (company), a Dutch-based design company