The Vienna Agreement may refer to one of the following agreements:
The Vienna Literary Agreement from 1850, which laid the foundation for a common Serbo-Croatian language The Vienna Agreement Establishing an International Classification of the Figurative Elements of Marks (1973), a treaty establishing an international classification system for trademarks The Vienna Agreement on standards (1991) between the International Organization for Standardization (ISO) and the European Committee for Standardization (CEN)
See also Treaty of Vienna Vienna Award (disambiguation), two agreements before and during World War II that expanded the territory of Hungary Vienna Conference (disambiguation) Vienna Convention (disambiguation)