SH4 or SH-4 may refer to:
* State Highway 4, see
List of highways numbered 4, a common highway name in many countries
*
SH-4 microprocessor architecture
* ''
Silent Hill 4: The Room'', the fourth installment in the ''Silent Hill'' video game series
* ''
Silent Hunter 4: Wolves of the Pacific'', the fourth installment in the ''Silent Hunter'' video game series
* ''
sh4'', gene controlling shattering in the Poaceae, selected against in the
domestication syndrome and selected for in the
agricultural weed syndrome The agricultural weed syndrome is the set of common traits which make a plant a successful agricultural weed. Most of these traits are not, themselves, phenotypes but are instead methods of rapid adaptation. So equipped, plants of various origins - ...
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