R66 may refer to:
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R66 (South Africa)
The R66 is a provincial route in KwaZulu-Natal, South Africa that connects Gingindlovu with Pongola via Eshowe, Melmoth and Ulundi. It starts and ends at a junction with the N2.
Route
The R66 begins in Pongola, at a junction with the N2 ...
, a road
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HD 268835, a star
* , a destroyer of the Royal Navy
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R66: Repeated exposure may cause skin dryness or cracking, a risk phrase
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R66 Protocol, a file transfer protocol
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Robinson R66
The Robinson R66 is a helicopter designed and built by Robinson Helicopter Company. It has five seats, a separate cargo compartment and is powered by a Rolls-Royce RR300 turboshaft engine. The R66 is slightly faster and smoother than the Robi ...
, a helicopter
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Small nucleolar RNA R66
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