Cercyon pygmaeus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Hydrophilidae
- genus: Cercyon
- species: Cercyon pygmaeus
Zurndorf
Burgenland- Gießhübl
- Hinterbrühl
Lower Austria- Ardning
- Kraubath an der Mur
- Selzthal
Styria- Garsten
- Sankt Ulrich bei Steyr
- Steyr
Upper Austria
Austria- Luxembourg
Barrow upon Soar- Berkeley
- Botesdale
- Burgess Hill
- Burnopfield
- Burton Pidsea
- Burton upon Stather
- Castor
- Cheshunt
- Chichester
- Chigwell
- Denham
- Gainsborough
- Gateshead
- Harleston
- Hathern
- Newcastle upon Tyne
- North Shields
- Quorndon
- Rowlands Gill
- Sileby
- South Shields
- Southam
- Stroud
- Sutton Bonington
- Tadworth
- Tynemouth
- Upton
- Waltham Abbey
- Waltham Cross
- Wotton-under-Edge
England- Hillsborough
Northern Ireland- Lanark
Scotland
United Kingdom
Phillipsburg
New Jersey- Easton
- West Easton
Pennsylvania- Millwood
Washington
United States
Aspelt
Karlshamn