7th State may refer to:

• Maryland, one of the original Thirteen Colonies, and the seventh to ratify the Constitution of the United States of America in 1788
• Veracruz, one of the founding states of Mexico, and the seventh to ratify the Constitution of the United Mexican States in 1823
• List of proposed states of Australia, which would add a seventh state to the existing six states of the Commonwealth of Australia
  • Proposed Northern Territory statehood, the most commonly-mentioned proposal for a seventh state of Australia
• Seventh state of randomness