Constitutional convention

Constitutional convention may refer to:
 * Constitutional convention (political custom), an informal and uncodified procedural agreement
 * Constitutional convention (political meeting), a meeting of delegates to adopt a new constitution or revise an existing constitution

Specific conventions

 * Constitutional Convention (Australia), any of four gatherings in 1891, 1897–98, 1973, and 1998
 * Australian Constitutional Convention 1998
 * Constitutional Convention (Ireland), established in 2012
 * Constitutional Convention (Philippines)
 * Scottish Constitutional Convention
 * Constitutional conventions of the United Kingdom
 * Icelandic constitutional convention, 2010-2013

United States

 * Constitutional Convention (United States), wrote the current U. S. Constitution in 1787
 * Convention to propose amendments to the United States Constitution, one of two processes for proposing amendments
 * Second Constitutional Convention of the United States, a proposal to reform and rewrite the Constitution
 * California Constitutional Conventions