| Cerano City Hotel Koln Am Dom Cologne / Bonn | 3.0 star rating | 18 | Cologne |
 | Chelsea Hotel Cologne / Bonn | 3.0 star rating | 39 | Cologne |
 | CityClass Hotel Residence am Dom Cologne / Bonn | 3.0 star rating | 53 | Cologne |
| City Hotel Köln Cologne / Bonn | 3.0 star rating | | Cologne/Bonn Airport |
 | City Hotel Meckenheim Cologne / Bonn | 1 Star | 90 | Bonn |
| CityInn Hotel Cologne / Bonn | 3.0 star rating | 30 | Cologne |
| City Pension Storch 2 Hotel Cologne / Bonn | 3.0 star rating | 15 | Cologne |
| CM CityClass Europa am Dom Hotel Cologne / Bonn | 3.0 star rating | 81 | Cologne |
 | Coellner Hof Hotel Cologne / Bonn | 3.0 star rating | 70 | Cologne |
| Commundo Tagungshotel Bad Honnef Hotel Cologne / Bonn | 3.0 star rating | | Bonn |
 | Consul Hotel Cologne / Bonn | 3.0 star rating | 92 | Bonn |
| Courtyard by Marriott Cologne Hotel Cologne / Bonn | 4.0 star rating | 236 | Cologne |
 | CPH Hotel Haus Oberwinter Cologne / Bonn | 3.0 star rating | 50 | Bonn |
 | Cristall Hotel Cologne / Bonn | 3.0 star rating | 84 | Cologne |
| Dürscheidt Hotel Cologne / Bonn | 3.0 star rating | | Cologne |
 | Derag Livinghotel Kanzler Hotel Cologne / Bonn | 4.0 star rating | 150 | Bonn |
 | Domblick garni Hotel Cologne / Bonn | 3.0 star rating | 23 | Cologne |
 | Dom Hotel Cologne - A Le Méridien Hotel Cologne / Bonn | 5.0 star rating | 134 | Cologne |
| Domspatz Hotel Cologne / Bonn | 3.0 star rating | 12 | Cologne |
 | Domspitzen Hotel Cologne / Bonn | 3.0 star rating | 30 | Cologne |
 | Dorint Am Heumarkt Koeln Hotel Cologne / Bonn | 5.0 star rating | 262 | Cologne |
 | Dorint An der Messe Köln Hotel Cologne / Bonn | 4.0 star rating | 313 | Cologne |
 | Dorint Hotel Venusberg Bonn Cologne / Bonn | 4.0 star rating | 85 | Bonn |
| Dorint Koeln Junkersdorf Hotel Cologne / Bonn | 3.0 star rating | 145 | Cologne |
 | Dorint Parkhotel Bad Neuenahr Hotel Cologne / Bonn | 4.0 star rating | 238 | Bad Neuenahr |
 | Dormero Hotel Bonn-Windhagen Cologne / Bonn | Superior 4* | 125 | Cologne |
| Drachenfelshotel Hotel Cologne / Bonn | 3.0 star rating | 33 | Bonn |
 | Eden Früh am Dom Hotel Cologne / Bonn | Superior 3* | 78 | Cologne |
 | Elite Hotel Cologne / Bonn | 2.0 star rating | 24 | Cologne |
| Europäischer Hof Hotel Cologne / Bonn | 3.0 star rating | | Cologne |
| Europa Bonn Hotel Cologne / Bonn | 3.0 star rating | 60 | Bonn |
 | Euro Park Hotel Cologne / Bonn | 3.0 star rating | 78 | Bonn |
 | Excelsior Hotel Ernst Cologne / Bonn | 5.0 star rating | 140 | Cologne |
 | Flandrischer Hof Hotel Cologne / Bonn | 3.0 star rating | 190 | Cologne |
 | FORTUNE Hotel Cologne / Bonn | 3.0 star rating | | Cologne |
 | Friendly Cityhotel Oktopus Hotel Cologne / Bonn | 3.0 star rating | 57 | Cologne |
 | Friends Köln Hotel Cologne / Bonn | 4.0 star rating | 74 | Cologne |
 | Fuerstenberger Hof Hotel Cologne / Bonn | 3.0 star rating | 50 | Cologne |
 | Günnewig Hotel Bristol Bonn by Centro Cologne / Bonn | 4.0 star rating | 120 | Bonn |
 | Günnewig Hotel Residence by Centro Cologne / Bonn | 4.0 star rating | 144 | Bonn |
 | Günnewig Kommerz Hotel Cologne / Bonn | 3.0 star rating | 77 | Cologne |
 | Galerie Design Hotel Bonn Cologne / Bonn | 4.0 star rating | 53 | Bonn |
 | Garten-Hotel Ponick Cologne / Bonn | 3.0 star rating | 33 | Cologne |
 | Godorfer Mühle Hotel Cologne / Bonn | 2.0 star rating | 21 | Cologne |
| Hayk Hotel Cologne / Bonn | 3.0 star rating | 14 | Cologne/Bonn Airport |
 | H+ Hotel Siegen Cologne / Bonn | 3.0 star rating | 94 | Cologne |
 | Hilton Bonn Hotel Cologne / Bonn | 4.0 star rating | 252 | Bonn |
 | Hilton Cologne Hotel Cologne / Bonn | 5.0 star rating | 296 | Cologne |
 | Holiday Inn Express Cologne Muelheim Hotel Cologne / Bonn | 3.0 star rating | 107 | Cologne |
 | Holiday Inn Express Cologne Troisdorf Hotel Cologne / Bonn | 3.0 star rating | 110 | Cologne/Bonn Airport |