Fritz Voellmy was a Swiss painter.

Voellmy studied at the Grand Ducal Baden Art School in Karlsruhe with Gustav Schönleber and then continued his studies in Munich. In 1892 he was one of the founding members of the Munich Secession. In the 1890s he visited the Gutach painters' colony.

Fritz Voellmy was an early member of the Deutscher Künstlerbund. From 1906 his name is listed in its membership directory. In Basel he had his studio in a house built by Wilhelm Bernoulli in 1908 on Arnold-Böcklin-Strasse.