Ernst Jedliczka (24 May 1855 – 3 August 1904) was a Russian-German pianist, piano pedagogue, and music critic.
In 1876 he earned diplomas in mathematics and physics from Saint Petersburg State University.
His notable pupils included Charles Tomlinson Griffes, W. H. Hewlett, John J. McClellan, Ella Scoble Opperman, Arthur Nevin, Olga Samaroff, and Bruno Seidler-Winkler.
He also wrote music criticism for the German newspaper Allgemeine deutsche Musikzeitung for many years.
In 1881 Jedliczka married Maria Wiedring (1865-1945), member of a Moscow German family.