Valentin Erben (born 1945 in Vienna) is an Austrian cellist.
He studied with Walter Reichardt in Munich, Tobias Kühne in Vienna and André Navarra in Paris. In 1970, he became a charter member of the Alban Berg Quartet, with which he played for 38 years. He has taught cello at the Wiener Musikhochschule since 1972. He also teaches at the University of Cologne, the Chigiana Academy in Siena, and ProQuartet in Paris.
He won the International Cello Competition in Vienna and the ARD competition in Munich.
He was a founding member of the Alban Berg Quartet and played with that group for 38 years.
He is the musical director of the Les Musicales d'Orient annual music festival.