LWR (disambiguation)

LWR may refer to:

• Livestock water recycling, a Canadian environmental company
• Light water reactor, a reactor used to generate nuclear power
• Lincolnshire Wolds Railway, a heritage railway in Lincolnshire, England
• Long Way Round, a motorcycle journey undertaken by Ewan McGregor and Charley Boorman
• Laser warning receiver, a military system used to detect laser emission of weapon guidance systems and laser rangefinders
• Lutheran World Relief, an international nonprofit organization specializing in International Development and Disaster Relief.