Leach may refer to:
People Leach (surname)
Places Leach, Oklahoma, United States, an unincorporated community and census-designated place Leach, Tennessee, United States, an unincorporated community Leach Range, a mountain range in Nevada, United States River Leach, England, United Kingdom Leach Nunatak, Marie Byrd Land, Antarctica Camp Leach, a World War I-era US Army camp
Transportation Leach Highway, Western Australia Leach Airport, Colorado, United States Leach (automobile), an American luxury automobile manufacturer from 1919 to 1924 Leach (steam automobile company), an American automobile manufacturer of the Leach steamer from 1899 to 1901
Other uses Low-energy adaptive clustering hierarchy (LEACH), a routing protocol in wireless sensor networks "Leach", a song by Cryptopsy off their album The Unspoken King Leach (food), jelly-like sweetmeat popular in the 1600s Leach Pottery, Cornwell, UK Leach phenotype, a mutation in the gene encoding Glycophorin C
See also Leach orchid Leach field, or septic drain field Leaching (disambiguation), and verb "to leach", various forms of loss or extraction of certain materials from a carrier into a liquid Leech (disambiguation)