Ludwig Deutsch (Vienna, 1855 – Paris, 1935) was an Austrian painter who settled in Paris.
Deutsch came from a well-established Jewish family. His father was a financier at the Austrian court. He studied at the Vienna Academy of Fine Arts 1872-1875, then, in 1878, moved to Paris where he became strongly associated with Orientalism. He was on good terms with another Austrian Orientalist in Paris, Rudolf Ernst.