K Street may refer to:
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K Street (Sacramento), a street in Sacramento, California, United States
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''K Street'' (TV series), a 2003 HBO television series about lobbyists
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K Street (Washington, D.C.), a street in Washington, D.C., United States
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Lobbying industry in the United States, metonymically, as many lobbyists have traditionally had offices on the Washington, D.C., street
{{disambiguation, road