Olga Diener

Olga Diener (1890–1963) was a Swiss composer, musician, and poet.

Biography Diener was born in St. Gallen in 1890. She studied violin and composition in St. Gallen, before continuing her studies in London, Basel, and Paris. Diener's poetry was first published in 1925 as part of a collection of contemporary lyric poetry by Swiss women. That same year, three of her pieces were premiered by Kornelia Bruggmann and . As of 2025, Diener is the subject of an archival research project comprising Philippe Diener, pianist Simone Keller, and producer and composer . The project aims to get Diener's music published by a major music publisher.