LH, Lh, or lh may stand for:
- Laurel and Hardy
- Leasehold (Tenure)
- Left-handed or left hand
- Letterhead, the heading at the top of a sheet of letter paper
- lh, a digraph for many languages
- loadhigh, an MS-DOS command that loads a program into the upper memory area
- A type of Single-mode optical fiber
- LH platform, a type of Chrysler car made from 1993 through 2004: New Yorker, 300M, Concorde, LHS, Intrepid and Vision
- The Literary and Historical Society, the debating union of University College Dublin
- "Little Hide", 1998 debut single by Snow Patrol
- Linkhero
- Lovehammers
- Late Helladic period in the history of ancient Greece during the Bronze Age