R43 may refer to:
Roads
*
R43 expressway (Czech Republic)
D43 motorway (), formerly Expressway R43 () is a highway in the Czech Republic. If completed, it will connect cities Brno and Moravská Třebová, and the D1 motorway with the D35 motorway.
First project in that route was created after Muni ...
, now the D43 motorway
*
R43 (South Africa)
The R43 is a provincial route in the Western Cape province of South Africa which connects Ceres with Gansbaai via Worcester, Botrivier and Hermanus. It is co-signed with the N2 for nine kilometres near Botrivier.
Route
The R43 begins at ...
Other uses
* , a destroyer of the Royal Navy
*
R43: May cause sensitisation by skin contact, a risk phrase
*
Small nucleolar RNA R43
{{Letter-NumberCombDisambig