SLF

SLF may refer to:

• Seattle Liberation Front, anti-Vietnam War organization
• Shuttle Landing Facility, for the Space Shuttle
• Social Liberal Forum, UK
• Spotted lanternfly, an insect native to parts of China, India, and Vietnam, and recently invading parts of the eastern US
• Stephen Lewis Foundation
• Stiff Little Fingers, Northern Irish punk band
• Subscriber Location Function in IP Multimedia Subsystem
• Sun Life Financial, Canada
• Super low frequency electromagnetic waves
• Superior longitudinal fasciculus, an association fiber tract in the brain
• UD SLF, a bus
• Self loading freight, passengers
• Student loan forgiveness.