Seal

Seal may refer to any of the following:

Common uses

• Pinniped, a diverse group of semi-aquatic marine mammals, many of which are commonly called seals, particularly:
  • Earless seal, also called "true seal"
  • Fur seal
  • Eared seal
• Seal (emblem), a device to impress an emblem, used as a means of authentication, on paper, wax, clay or another medium (the impression is also called a seal)
• Seal (mechanical), a device which helps prevent leakage, contain pressure, or exclude contamination where two systems join
  • Hermetic seal, an airtight mechanical seal
• Security seals such as labels, tapes, bands, or ties affixed onto a container in order to prevent and detect tampering

Arts, entertainment and media

• Seal (1991 album), by Seal
• Seal (1994 album), sometimes referred to as Seal II, by Seal
• Seal IV, a 2003 album by Seal
• Seal Online, a 2003 massively multiplayer online role-playing game

Law

• Seal (contract law), a legal formality for contracts and other instruments
• Seal (East Asia), a stamp used in East Asia as a form of a signature
• Record sealing

Military

• Fairey Seal, a 1930s British carrier-borne torpedo bomber aircraft
• HMS Seal, two Royal Navy ships and one submarine
• USS Seal, two American submarines
• Supermarine Seal II, the 1921 British flying boat

Special forces

• United States Navy SEALs, the principal special operations force of the U.S. Navy
• Thai Navy Seals, Thai Navy special operations f