Ralf Weikert (born 10 November 1940) is an Austrian conductor, especially of operas by Mozart and Rossini.
He is an academic teacher of conducting in Luzern.
Born in Sankt Florian, Weikert studied at the Bruckner conservatory in Linz and the Hochschule für Musik und darstellende Kunst Wien, conducting with Hans Swarowsky.
Weikert was from 1971 a regular conductor at the Salzburg Festival.
He held leading positions at the Theater Bonn and the Oper Frankfurt.