The Leeuwenhoek-medal is the most prestigious prize in the field of Microbiology. It has been awarded every 10 years since 1877 to a scientist who has made the most important contributions to Microbiology during the last 10 years. The first 13 medals were awarded by the Royal Netherlands Academy of Arts and Sciences.

Medal Leeuwenhoeka to odznaczenie przyznawane od 1877 przez Holenderską Akademię Sztuk i Nauk. Nazwany na cześć wynalazcy mikroskopu optycznego, holenderskiego przyrodnika Antoniego van Leeuwenhoeka.