Legal

• Seal (contract law), a legal formality for contracts and other instruments
• Seal (device), an official stamp or symbol used as a means of authentication
• Seal (Chinese), a stamp used in East Asia as a form of a signature
• Cylinder seal, an engraved cylinder used to roll an impression onto a flat surface, such as clay
• Record sealing, the practice of sealing or destroying court records

Biology

• Pinniped, a diverse group of semi-aquatic marine mammals many of which are commonly called seal
• Earless seal (True seals)
• Eared seal
• Fur seal
• sea lion

Naval and scouting

• United States Navy SEALs, the Special Operations Forces of the American Navy
• USS Seal, two American submarines.
• HMS Seal, two Royal Navy ships and one submarine.
• SEALA, a training course for Sea Scouts.

People

• Seal (musician) (born 1963), UK-born soul singer-songwriter.
• Seal (1991 album).
• Seal (1994 album).
• Seal (2003 album).
• Barry Seal (1939 - 1986), a drug smuggler and CIA informant
• Brajendra Nath Seal (1864 - 1938), an Indian humanist philosopher and educator
• David Seal (born 1972), Australian soccer player
• Jaynie Seal (born 1973), an Australian television presenter
• Jimmy Seal (born 1950), an English footballer
• Manuel Seal, Jr., an American songwriter-producer
• Tong Seal (born 1346 AD), legendary Burmese ruler
• Lou Seal, the mascot of the San Francisco Giants baseball team

Places

• Seal, Kent, a village in England.
• Seals, Georgia, in America.

Religion

• Seal of the Prophets, a title given to the prophet, Muhammad.

Science and Technology

• Seal (mechanical), a device preventing leaks where two systems join.
• SEAL (cipher), a cryptographic algorithm.
• SEAL GUI, an open source interface for DOS.
• Digital Signature And Electronic Authentication Law known as "SEAL", a bill that sought to update banking regulations in America.

See also

• Sealing (disambiguation)
• Seale (disambiguation)
• Seals (disambiguation)