D54 may refer to:
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D54 (protocol)
* a
road in Dubai
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Greek destroyer Leon (D54)
''Leon'' (D54) ( el, Α/Τ Λέων, "Lion") was a destroyer that served with the Greek Navy between 1951–1992. The ship had formerly served with the United States Navy under the name , famous for its alleged role in the Philadelphia Experiment ...
, a Greek Navy destroyer
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INS Ranvir (D54), an Indian Navy destroyer
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D54 (Croatia), a state road in Croatia
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