CH4 (disambiguation)

CH₄ most commonly refers to the chemical formula for methane. CH4 may also denote:

• a postcode subdistrict of Chester, United Kingdom
• the CH-4 variant of the Cessna CH-1 Skyhook helicopter
• the CH-4 variant of the CASC Rainbow unmanned aerial vehicle
• CH-4, a submarine chaser during World War II
• Channel 4 (disambiguation)
• Church Hymnary 4th edition
• Chandrayaan-4 (CH-4), Moon lander