R19 may refer to:
* , a destroyer of the Royal Navy
*
R19: May form explosive peroxides, a risk phrase
*
R-19 regional road (Montenegro)
*
Renault 19
The Renault 19 is a small family car that was produced by the French car manufacturer Renault between 1988 and 1996. In Turkey and in Argentina, production continued until 2000. The internal development code for the 19 was X53, with the five doo ...
, a French automobile
*
Samsung Sens
Samsung Sens (branded as Samsung Electronics Notebook System, and stylized as ''SENS'') is the notebook computer series made by Samsung Electronics. Samsung notebooks are designed similarly to the Acer Aspire, Asus Transformer and Zenbook, Del ...
R19, a laptop
* , a submarine of the United States Navy
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