The 11th rendition of the Joseph Joachim International Violin Competition Hannover (JJV Hannover) will take place between September 26 and October 9, 2021. The competition is hosted every three years by Stiftung Niedersachsen. In 2021, the competition is seeking applicants from all nations who were born between October 10, 1989 and September 26, 2005.

The application phase starts on September 25, 2020 and will conclude on March 25, 2021.