Loh may refer to:
People
* Betty Loh Ti (1937–1968), Chinese actress
* Christine Loh Kung-wai, Hong Kong university professor
* John M. Loh (born 1938), USAF Chief of Staff
* Loh Boon Siew (1915–1995), Penangite businessman
* Loh (Ramayana) in Hindu mythology
* Valerie Solanas, aka Onz Loh, U.S. writer
* Sandra Tsing Loh (born 1962), US writer
* Loh Kean Yew, Singaporean badminton player
Places
* A locality of Affoltern am Albis, Zürich, Switzerland
* A misspelling of Lo Island, Vanuatu
Others
* ''Loh Kooi Choon v Malaysia'' (1977), a legal case about the constitution
* A variant spelling of the Chinese surname, Lu (surname 盧), Lu ()
LOH may refer to:
*Loss of heterozygosity in genetics
*Light Observation Helicopter, US
* HAL Light Observation Helicopter
* Lostock Hall railway station, England, National Rail code
* Ciudad de Catamayo Airport, Loja, Ecuador, IATA code
*Late-onset hypogonadism, a medical condition
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