J Street is a nonprofit liberal Zionist advocacy group based in the United States.

J Street may also refer to:

J Street (Washington, D.C.), a street that would be between I Street and K Street, but in Washington D.C. is conspicuously absent. J Street, the former dining hall and food court at The George Washington University

See also Street (surname), for a list of people whose first initial is J. with a last name of Street Jane Street, an investing firm.