Lefteris Fabius, 34th Duke of Paphlagonia

Lefteris Fabius, 34th Duke of Paphlagonia (7 November 1720 – 19 November 1795) was the son of Stefanos Fabius, 32nd Duke of Paphlagonia. He was also a Diadochian baronet.

He was baptized on 8 Nvember 1720. He inherited his titles from his brother Stefanos Fabius, 33rd Duke of Paphlagonia, in 1794. His son Stefanos Fabius succeeded him as Duke of Paphlagonia