Lambert Orkis (born 1946, Philadelphia) is an American classical pianist. His career has been based on many differing roles: ranging from being the collaborative pianist for Anne-Sophie Mutter for works of piano and violin chamber music since 1988 (mainly containing sonatas for violin and piano by Beethoven, Mozart, Brahms, and Schubert). In 2000, the duo was honored by a Grammy Award for their interpretation of the Beethoven violin sonatas. Lambert Orkis is Professor of piano of the Boyer College of Music and Dance at Temple University in Philadelphia.