 | Mövenpick Frankfurt City Hotel | 4.0 star rating | 288 | Frankfurt City |
 | Mövenpick Hotel Frankfurt Oberursel | 4.0 star rating | 220 | Oberursel |
| Meininger Hotel Frankfurt/Main Flughafen | 3.0 star rating | 186 | Frankfurt Airport |
 | Meininger Hotel Frankfurt / Main Messe | 3.0 star rating | 163 | Frankfurt City |
 | Memphis Hotel Frankfurt | 4.0 star rating | 42 | Frankfurt City |
 | Mercure Hotel Bad Homburg Friedrichsdorf Frankfurt | 4.0 star rating | 125 | Friedrichsdorf |
 | Mercure Hotel Frankfurt Airport | 4.0 star rating | 150 | Frankfurt City |
 | Mercure Hotel Frankfurt Airport Dreieich | 4.0 star rating | 92 | Frankfurt City |
 | Mercure Hotel Frankfurt Airport Neu-Isenburg | 4.0 star rating | 143 | Neu Isenburg |
 | Mercure Hotel Frankfurt City Messe | 4.0 star rating | 60 | Frankfurt City |
| Mercure Hotel Frankfurt Eschborn Helfmann-Park | 3.0 star rating | 179 | Eschborn |
 | Mercure Hotel Frankfurt Eschborn Ost | 4.0 star rating | 224 | Eschborn |
 | Mercure Hotel Frankfurt Eschborn Sued | 4.0 star rating | 125 | Eschborn |
 | Mercure Hotel Kaiserhof Frankfurt City-Center | 4.0 star rating | 75 | Frankfurt City |
 | Mercure Residenz Frankfurt Hotel | 4.0 star rating | 426 | Frankfurt City |
| Michel Hotel Wetzlar Frankfurt | 4.0 star rating | 144 | Wetzler |
 | Milbor Hotel Bad Soden Frankfurt | 4.0 star rating | 27 | Bad Soden am Taunus |
 | Minerva Hotel Frankfurt | 3.0 star rating | 50 | Frankfurt City |
 | Miramar Hotel Frankfurt | 4.0 star rating | 39 | Frankfurt City |
 | Mk Hotel Frankfurt | Pending Category | 12 | Frankfurt City |
 | Monopol Hotel Frankfurt | 4.0 star rating | 95 | Frankfurt City |
 | Monte Cristo Hotel Frankfurt | 3.0 star rating | 12 | Offenbach |
 | Motel Frankfurt by advena Hotel | 3.0 star rating | 58 | Frankfurt City |
 | Motel One Frankfurt Airport Hotel | 3.0 star rating | 271 | Frankfurt Airport |
| Motel One Frankfurt-East Side Hotel | 3.0 star rating | 189 | Frankfurt City |
 | Motel Plus Frankfurt Hotel | 3.0 star rating | 93 | Frankfurt City |
| MOXY Frankfurt Airport Hotel | Without Official Category | | Frankfurt Airport |
 | Moxy Frankfurt Eschborn Hotel | Without Official Category | 176 | Schwalbach |
 | New Century Hotel Frankfurt Offenbach | 4.0 star rating | 251 | Offenbach |
 | NH Collection Frankfurt City Hotel | 4.0 star rating | 256 | Frankfurt City |
 | NH Frankfurt Airport Hotel | 4.0 star rating | 158 | Frankfurt Airport |
 | NH Frankfurt Airport West Hotel | 4.0 star rating | 310 | Frankfurt Airport |
 | NH Frankfurt Mörfelden Conference Center Hotel | 4.0 star rating | 299 | Frankfurt Airport |
 | NH Frankfurt Messe Hotel | 4.0 star rating | 65 | Frankfurt City |
 | NH Frankfurt Niederrad Hotel | 4.0 star rating | 164 | Frankfurt City |
 | NH Frankfurt Villa Hotel | 3.0 star rating | 24 | Frankfurt City |
 | Niederrader Hof Hotel Frankfurt | 3.0 star rating | 55 | Frankfurt City |
 | Nordic Hotel Frankfurt Offenbach | 3.0 star rating | 52 | Offenbach |
 | Novotel Frankfurt City Hotel | 4.0 star rating | 235 | Frankfurt City |
 | Parkhotel Frankfurt Rödermark Hotel | 4.0 star rating | 150 | Rödermark |
 | Park Inn by Radisson Frankfurt Airport Hotel | 4.0 star rating | 209 | Frankfurt Airport |
 | Pension Alex Hotel Frankfurt | 2.0 star rating | 30 | Frankfurt City |
 | Pension Alpha Hotel Frankfurt | Pending Category | 4 | Frankfurt City |
 | Premier Hotel Frankfurt | 3.0 star rating | 60 | Frankfurt City |
| Premiere Classe Hotel Frankfurt Airport | 3.0 star rating | | Frankfurt City |
 | Premiere Classe Hotel Frankfurt Offenbach | 3.0 star rating | 74 | Offenbach |
 | QGreenhotel by Melia Hotel Frankfurt | 4.0 star rating | 177 | Frankfurt City |
 | Radisson Blu Hotel Frankfurt | Superior 4* | 428 | Frankfurt City |
 | Ramada Bad Soden Hotel Frankfurt | 4.0 star rating | 130 | Bad Soden am Taunus |
 | Ramada Frankfurt Airport West Hotel | Superior 3* | 157 | Frankfurt Airport |