The International Congress of Onomastic Sciences is a large conference held every three years and organised by members of ICOS.
Our next ICOS Congress will be in Vienna from 16 to 20 August 2027. For information, see the web of the congress: https://icos27-vienna.at/
- Paris 1938
- Paris 1947
- Bruxelles 1949
- Uppsala 1952
- Salamanca 1955
- München 1958
- Firenze 1961
- Amsterdam 1963
- London 1966
- Wien 1969
- Sofia 1972
- Bern 1975
- Kraków 1978
- Ann Arbor 1981
- Leipzig 1984
- Québec 1987
- Helsinki 1990
- Trier 1993
- Aberdeen 1996
- Santiago de Compostela 1999
- Uppsala 2002
- Pisa 2005
- Toronto 2008
- Barcelona 2011
- Glasgow 2014
- Debrecen 2017
- Kraków 2021
- Helsinki 2024
The proceedings of each Congress have been published.