No. There is no adapter that would allow an RF lens to be used on an EF/EF-S mount camera body.
The opposite though is true; an EF lens can be used on an RF mount camera body with an adapter.
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Ricky
Camera: EOS R5 II, RF 50mm f/1.2L, RF 135mm f/1.8L
Lighting: Profoto Lights & Modifiers
