S73 may refer to :
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S73 postcode for Barnsley and Rotherham areas
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County Route S73, a
county route in Bergen County, New Jersey
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HMCS Onondaga (S73)
HMCS ''Onondaga'' (S73) is an that served in the Royal Canadian Navy and later the Canadian Forces. Built in the mid-1960s, ''Onondaga'' operated primarily with the Maritime Forces Atlantic until her decommissioning in 2000 as the last Canad ...
, a 1965 Oberon-class submarine that served in the Royal Canadian Navy and later the Canadian Forces
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Savoia-Marchetti S.73, a 1934 Italian three-engined airliner
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Kamiah, Idaho
Kamiah ( ) is a city in Lewis and Idaho counties in the U.S. state of Idaho. The largest city in Lewis County, it extends only a small distance into Idaho County, south of Lawyer Creek. The population was 1,295 at the 2010 census, up from 1, ...
's
municipal airport FAA LID
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