J18 may refer to:

Vehicles

;Locomotives * GSR Class J18, an Irish steam locomotive * LNER Class J18, a British steam locomitve ;Ships * , a Hunt-class minesweeper of the Royal Navy * , a ''Halland''-class destroyer of the Swedish Navy * , a ''Sandhayak''-class survey ship of the Indian Navy

Other uses

Carnival Against Capital The Carnival Against Capital took place on Friday 18 June 1999. It was an international day of protest (also known as J18) timed to coincide with the 25th G8 summit in Cologne Cologne ( ; german: Köln ; ksh, Kölle ) is the largest city ...

, an anti-globalisation protest held on June 18th 1999 * County Route J18 (California) *

Elongated triangular cupola In geometry, the elongated triangular cupola is one of the Johnson solids (). As the name suggests, it can be constructed by elongating a triangular cupola () by attaching a hexagonal prism to its base. Formulae The following formulae for vol ...

, a Johnson solid (J₁₈) *

J18 Elit The J18 Region (Elit until-2020) is the highest level of under-18 ice hockey in Sweden. The league was first played in the 1980 season. Färjestad BK has won the most league titles, with seven. The league is divided into four divisions, Norra (Nor ...

, the highest level of under-18 ice hockey in Sweden *

Pneumonia Pneumonia is an inflammatory condition of the lung primarily affecting the small air sacs known as alveoli. Symptoms typically include some combination of productive or dry cough, chest pain, fever, and difficulty breathing. The severity ...

Vehicles

Other uses

See also