 "Terrazza delle Stelle" observatory | Trento | — |
| A. Volta observatory | Lanzo d'Intelvi | — |
| ABObservatory, Rosarno | Rosarno | — |
 AGILE | — | — |
| Airali Observatory | Turín | — |
| ALMO observatory | Padulle | — |
| Alphard Observatory | Satia | — |
| Antares MTM Observatory | San Donato Val di Comino | — |
| Anzio observatory | Lavinio Lido di Enea | — |
| Astro Dolomites observatory | Provincia autónoma de Bolzano | — |
| Astrocamp Manciano Observatory | Manciano | — |
| AstroColauri observatory | Nápoles | — |
 Astronomical observatory | Monte Porzio Catone | 401 m |
| Astronomical observatory et planetarium in San Giovanni | San Giovanni in Persiceto | — |
 Astronomical Observatory in Tradate | Tradate | — |
 Astronomical Observatory of Abruzzo | Teramo | 390 m |
| Astronomical Observatory of Capannoli | Capannoli | — |
| Astronomical observatory of Castelgrande | Castelgrande | — |
| Astronomical Observatory of Farra d'Isonzo | Farra d'Isonzo | — |
 Astronomical observatory of Siena observatory | Siena | — |
 Astronomical Observatory of Trieste | Trieste | — |
| Astronomical Observatory University of Siena | Siena | — |
| Balzaretto Observatory | Roma | — |
| BAS observatory | Scandicci | — |
 Bassano Bresciano observatory | Bassano Bresciano | 58 m |
| Bastia observatory | Ravena | — |
| Beato Ermanno Observatory | Impruneta | — |
| Bellavista observatory | L'Aquila | — |
| Bellino observatory | Bellino | — |
| Beppe Forti Astronomical Observatory | San Giovanni Evangelista | — |
| Bernezzo observatory | Cuneo | — |
| BiAnto Observatory | Melara | — |
| Bigmuskie observatory | Mombercelli | — |
| Bologna Observatory | Bolonia | — |
| Bolzaneto observatory | Bolzaneto | — |
| Brescia observatory | Brescia | — |
| Bruno Zugna Observatory | Trieste | — |
| BSA observatory | Aeropuerto Internacional de Cuneo | — |
| BSCR Observatory | Santa Maria a Monte | — |
| Ca del Monte observatory | Pavía | — |
| Campo Catino Observatory | Guarcino | — |
 Campo Imperatore Astronomical Observatory | L'Aquila | 2.129 m |
| Campocatino observatory | Collepardo | — |
| Campomaggiore observatory | Campo Maggiore | — |
| Carpione Observatory | San Casciano in Val di Pesa | — |
| Casal Lumbroso observatory | Roma | — |
| Casalecchio di Reno Observatory | Bolonia | — |
| Casasco observatory | Casasco | — |