| Beilen observatory | Beelen | — |
 Bernoulliborg | Groninga | — |
 Bussloo public observatory | Voorst | — |
| Cosmos Sterrenwacht | Dinkelland | — |
| Cyclops observatory | Oost-Cappel | — |
| Dordrecht observatory | Dordrecht | — |
 Dr. A.F. Philips Observatory | Eindhoven | — |
 Dwingeloo Radio Observatory | Westerveld | — |
 Halley observatory | Bernheze | — |
 Heliometer building, Old Observatory, Leiden | Leiden | — |
 Hellendoorn Public Observatory | Hellendoorn | — |
| Hoogeveen observatory | — | — |
 Jan Paagman Sterrenwacht | Asten | — |
| Koschny Observatory | Noordwijkerhout | — |
| Levendaal observatory | Leiden | — |
 LOFAR | — | — |
 Main building of the Old Observatory, Leiden | Leiden | — |
| Nijmegen observatory | Nimega | — |
| Nijmegen public observatory | Nimega | — |
| Nyenheim observatory | Güeldres | — |
| Observatorio de Leiden | Leiden | — |
 Observatorio Sonnenborgh | Utrecht | — |
 Observeum Burgum | Tytsjerksteradiel | — |
 Planetron | Westerveld | — |
 Public Observatory Mercury | Dordrecht | — |
| Public Observatory Philippus Lansbergen Foundation | Middelburg | — |
| Schothorst Public Observatory | Amersfoort | — |
 Smeetoren | Utrecht | — |
| Sterrenwacht Andromeda observatory | Ellecom | — |
| Sterrenwacht Gooi en Vechtstreek | — | — |
 Sterrenwacht Limburg | Heerlen | — |
| Sterrenwacht Rijswijk | Rijswijk | — |
 Talcott house | Leiden | — |
 Teylers astronomical observatory | Haarlem | — |
 Tweelingen public observatory | Nissewaard | — |
| Uiterstegracht Station | Leiden | — |
 Volkssterrenwacht Copernicus | Bloemendaal | — |
| Volkssterrenwacht Simon Stevin | Halderberge | — |
| Zeist observatory | Güeldres | — |