D55 may refer to :
* roads in various countries:
**
D55 road (Croatia), a state route in Croatia
**
D55 motorway (Czech Republic)
D55 motorway ( cs, Dálnice D55), formerly R55 expressway ( cs, Rychlostní silnice R55) is a highway in the Czech Republic. When completed, it will connect all main cities along the river Morava.
Only two small segments are completed, others a ...
, a motorway in the Czech Republic
**
D55 road (Nord)
D55 state road in the eastern part of Croatia connects the cities and towns of Vukovar, Vinkovci, Županja to the state road network of Croatia, and most notably to the A3 motorway. The road is long. The route comprises some urban intersection ...
, a "départementale" road in Nord département in France
*
HMAS Parramatta (D-55)
HMAS ''Parramatta'', named after the Parramatta River, was a River-class torpedo-boat destroyer of the Royal Australian Navy (RAN). Ordered in 1909 for the Commonwealth Naval Forces (the predecessor of the RAN), ''Parramatta'' was the first shi ...
, a 1910 River class torpedo boat destroyer from the Australian Navy
* two ships of the Royal Navy :
**
HMS Smiter (D55)
USS ''Vermillion'' (CVE-52) (previously AVG-52 then later ACV-52) was laid down on 10 May 1943 by the Seattle-Tacoma Shipbuilding Corporation as a auxiliary aircraft carrier; redesignated an escort aircraft carrier, on 10 June 1943; assigned to ...
, a 1943 Bogue-class auxiliary aircraft carrier
**
HMS Finisterre (D55), a Battle-class destroyer
*
INS Ranvijay (D55), a 1988 Rajput class destroyer from the Indian Navy
* CIE Standard Illuminant
D55, a lighting standard used in
colorimetry
and also:
*
Robertson Field (North Dakota)
Robertson Field is a public use airport located one nautical mile (2 km) west-southwest of the central business district of Langdon, a city in Cavalier County, North Dakota, United States. It is owned by the Langdon Airport Authority ...
FAA code
* the
ICD-10
ICD-10 is the 10th revision of the International Statistical Classification of Diseases and Related Health Problems (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, ...
code for an ''anaemia due to enzyme disorders''
*
New South Wales D55 class locomotive, a NSWGR steam locomotive
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