Leica may refer to:
Companies Ernst Leitz GmbH, later divided into: Leica Biosystems GmbH, a cancer diagnostics company Leica Camera AG, a German camera and optics manufacturer Leica Geosystems AG, a Swiss manufacturer of surveying and geomatics equipment Leica Microsystems GmbH, a German manufacturer of microscopes and other precision optics
Other uses "Leica", a song from the album Akeldama by Faceless Leica (river), Romania Leica reel, a type of animatic production method for animation
See also Laika (disambiguation) Lieka, a former settlement in Ethiopia