LSD (disambiguation)
- Come See Me (The Pretty Things song)
- Dominion Land Survey
- Electric Tepee
- Fisher's least significant difference
- Karolina Dean
- L.S.D. (Skegss song)
- LSD
- LSD (Cardiacs album)
- LSD (Gloria Groove song)
- LSD (group)
- LSD (song)
- LSD - Love, Scandal and Doctors
- LSD and the Search for God
- Lake Shore Drive
- Landing Ship, Dock
- Language for Systems Development
- Laser Schlieren Deflectometry
- League for Spiritual Discovery
- League of Social Democrats
- Least significant digit
- Left Spine Down
- Limit state design
- Limited slip differential
- Line sharing device
- Little Sandy Desert
- Local Peer Discovery
- Log-spectral distance
- Long slow distance
- Louisiana School for the Deaf
- Love Sex aur Dhokha
- Love Sex aur Dhokha 2
- Low self-discharge NiMH battery
- Low sulfur diesel
- Lumpy skin disease
- Lutheran School For The Deaf
- Lysergic Acid Diethylamide (Fringe)
- Lysosomal storage disease
- Service Discovery
- Spike Dudley
- £sd