Seal

Seal commonly refers to:

Pinniped, a diverse group of semi-aquatic marine mammals many of which are commonly called seals
Seal (mechanical), a device which helps prevent leakage, contain pressure, or exclude contamination where two systems join
Seal (emblem), an emblem used as a means of authentication; both an impression in paper, wax, clay or other medium, and the device used

Seal may also refer to:

Computers

Digital Signature And Electronic Authentication Law (SEAL), a bill that sought to update banking regulations in America
SEAL (cipher), a cryptographic algorithm
SEAL GUI, an open source interface for DOS

Seal (musician) (born 1963), British soul singer-songwriter
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
Elizabeth Seal (born 1933), an Italian actress
Jaynie Seal (born 1973), an Australian television presenter
Jimmy Seal (born 1950), an English footballer
Kevin Seal, an MTV VJ in the late 1980s, the host of the pilot of Club MTV
Manuel Seal, Jr., an American songwriter-producer
Mike Seal (born 1970), the Assistant Conductor of the City of Birmingham Symphony Orchestra
Mutty Lall Seal (1792–1854), a Bengali Indian businessman and philanthropist
Paul Seal (born 1952), a former American football tight end in the National Football League
Sudhangshu Seal (born 1945), a member of the 14th Lok Sabha of India
Tong Seal (born 1346), legendary Burmese ruler