Proviso
# Proviso

Proviso means a conditional provision to an agreement. It may refer to

* Proviso Township, Cook County, Illinois, United States
   * Proviso Township High Schools District 209 that comprises
      * Proviso East High School
      * Proviso West High School
      * Proviso Mathematics and Science Academy
* Wilmot Proviso, an American law to ban slavery in annexed territory from Mexico proposed by David Wilmot in the 1840s
* Lockean proviso, a feature of John Locke's labour theory of property
