Andante and Variations, Op.83a, also called Andante und Variationen ; Andante con variazione ; Variationen über ein ostinates Thema is a piece consisting of a theme and eight variations for piano four hands composed by Felix Mendelssohn. It was first published in 1850 in Leipzig by Breitkopf & Härtel. The key of the piece is B-flat major, and it was adapted from the Variations, Op.83 for solo piano.
