The Odakyu 3000 series (小田急3000形, Odakyū sanzen-gata) or SE (Super Express), later becoming SSE (Short Super Express), was a "Romancecar" electric multiple unit (EMU) train type operated by the Odakyu Electric Railway in the Tokyo area of Japan. It was the recipient of the inaugural Blue Ribbon Award presented by the Japan Railfan Club in 1958.