Darnay is a given name and a surname. People with the name include:
Given name Darnay Scott (born 1972), American football wide receiver Darnay Holmes (born 1997), American football cornerback
Surname Arsen Darnay (born 1936), Hungarian-American science fiction writer Toni Darnay (1921–1983), American actress and dancer Christiane Darnay Neckaerts, Belgian beauty queen
Fictional characters Charles Darnay, fictional character in A Tale of Two Cities by Charles Dickens