Hans Reffert (born 1946 in Ludwigshafen am Rhein) is a German musician, composer, and artist.Although possibly best known for his work with Guru Guru, Reffert has been involved with a number of ensembles, including Flute & Voice, Zauberfinger, Sanfte Liebe, and Schrammel & Slide. Reffert studied guitar with Sigi Schwab and flute and composition in Mannheim.