JWL may refer to:

• JWL equation of state, Jones-Wilkins-Lee equation of state for explosives
• JWL standard (Japan Light Alloy Wheel standard), a set of requirements for alloy wheels set by the Ministry of Land, Infrastructure, Transport and Tourism (Japan) that must be met for all passenger cars in Japan
• Jewell railway station, in Victoria, Australia

• Dennis Frank Thompson
• Dennis Frederick Evans
• Dennis Freidman (Earthmovers) Ltd v Rodney County Council
• Dennis Friedman (Earthmovers) Ltd v Rodney County Council
• Dennis Gannon Lonergan
• Dennis Gastmann
• Dennis Gehlen
• Dennis Gendron
• Dennis Genpo Merzel
• Dennis G. Eveleigh
• Dennis Gibson
• Dennis Gibson (disambiguation)
• Dennis Gildea
• Dennis Gile
• Dennis Gillen
• Dennis G. Jacobs
• Dennis Gomes
• Dennis Gorski
• Dennis Gratton
• Dennis Greaves
• Dennis Green (canoer)
• Dennis Greenland
• Dennis Grey
• Dennis Hackett
• Dennis Had