 | 25Hours Hotel Vienna | Pending Category | 217 | Vienna |
| 7 Days Premium Hotel Vienna | 3.0 star rating | | Vienna |
 | Academia Hotel Vienna | 2.0 star rating | 280 | Vienna |
| Actilingua Apartment Hotel Vienna | 3.0 star rating | 18 | Vienna |
 | Adagio Wien Zentrum Hotel Vienna | Aparthotel 4* | 124 | Vienna |
 | Admiral Hotel Vienna | 3.0 star rating | 80 | Vienna |
 | Admiral Kurpark Hotel Vienna | 1 Star | 22 | Vienna |
| Airport Boutiquehotel Hein Hotel Vienna | 4.0 star rating | 54 | Vienna |
 | AJO Apartments & Residences Hotel Vienna | Apartment 1st Category | 7 | Vienna |
 | AJO Messe Hotel Vienna | 3.0 star rating | 15 | Vienna |
 | Aldano Serviced Apartments Hotel Vienna | 3.0 star rating | 35 | Vienna |
 | Alla Lenz Hotel-Pension Vienna | 3.0 star rating | 21 | Vienna |
 | Allegro Hotel Vienna | 3.0 star rating | 70 | Vienna |
 | All you Need Hotel Vienna 2 | 3.0 star rating | 122 | Vienna |
 | All you Need Hotel Vienna 4 | 3.0 star rating | 104 | Vienna |
 | Altwienerhof Hotel Vienna | 3.0 star rating | 32 | Vienna |
 | Am Augarten Hotel Vienna | 3.0 star rating | 65 | Vienna |
 | Ambassador Hotel Vienna | 5.0 star rating | 89 | Vienna |
 | Am Brillantengrund Hotel Vienna | 3.0 star rating | 30 | Vienna |
 | Am Konzerthaus Hotel Vienna | 4.0 star rating | 211 | Vienna |
 | Am Parkring Hotel Vienna | 4.0 star rating | 55 | Vienna |
 | Am Sachsengang Hotel Vienna | 3.0 star rating | | Vienna |
 | Am Schubertring Hotel Vienna | 4.0 star rating | 39 | Vienna |
 | Am Stephansplatz Hotel Vienna | 3.0 star rating | 56 | Vienna |
 | Ana Adlon Hotel Vienna | 3.0 star rating | 48 | Vienna |
| Ana Katharina Hotel Vienna | 3.0 star rating | 54 | Vienna |
| An der Wien Hotel Vienna | 3.0 star rating | 53 | Vienna |
 | Andreas Hotelpension Vienna | 3.0 star rating | 40 | Vienna |
 | A&O Wien Hauptbahnhof Hotel Vienna | 2.0 star rating | 301 | Vienna |
 | A&O Wien Stadthalle Hotel Vienna | 2.0 star rating | 135 | Vienna |
| Appartements Ferchergasse Hotel Vienna | 4.0 star rating | 13 | Vienna |
 | Appartements Hermine Vienna Hotel | 3.0 star rating | 2 | Vienna |
 | ARCOTEL Donauzentrum Vienna Hotel | 4.0 star rating | | Vienna |
 | ARCOTEL Kaiserwasser Vienna Hotel | 4.0 star rating | 282 | Vienna |
 | ARCOTEL Wimberger Vienna Hotel | 4.0 star rating | 225 | Vienna |
| Arian Hotel Vienna | Boarding House | 21 | Vienna |
 | Arion Airport Hotel Vienna | Superior 3* | 69 | Vienna |
 | Arion Cityhotel Vienna Hotel | 4.0 star rating | 142 | Vienna |
 | Arthotel ANA Prime Hotel Vienna | 4.0 star rating | 49 | Vienna |
 | Arthotel ANA Westbahn Hotel Vienna | Pending Category | 52 | Vienna |
 | a&t Holiday Hostel Wien Hotel Vienna | Hostel 2* | 75 | Vienna |
 | Atlanta Hotel Vienna | 3.0 star rating | 59 | Vienna |
 | Atlantis Hotel Vienna | 4.0 star rating | 117 | Vienna |
 | Attaché Hotel Vienna | 3.0 star rating | 26 | Vienna |
 | At the Park Hotel Vienna | 4.0 star rating | 91 | Baden |
 | Austria Classic Hotel Wien Vienna | 3.0 star rating | 78 | Vienna |
| Austria Classic Schlosshotel Oth Hotel Vienna | 3.0 star rating | 42 | Baden |
 | Austria Trend Eventhotel Pyramide Hotel Vienna | 4.0 star rating | 458 | Vösendorf |
 | Austria Trend Hotel Ananas Vienna | 4.0 star rating | 522 | Vienna |
 | Austria Trend Hotel Anatol Vienna | 4.0 star rating | 62 | Vienna |