Ludwig Abel (14 January 1835 – 13 August 1895) was a German violinist, composer, and conductor.
Born in Eckartsberga, Province of Saxony, he was a pupil of Ferdinand David. He became a member of the Leipzig Gewandhaus Orchestra, and in 1853 moved to the court orchestra of Saxe-Weimar-Eisenach in Weimar. In 1867, he became the concertmaster at the Bavarian royal court in Munich. He took up teaching at the Musikschule in Munich managed by Hans von Bülow, where he became Professor in 1880 and retired in 1894.
Abel's compositions included a violin concerto and a violin method as well as études and duos for violin.