 | Meroddi Bagdatliyan Hotel Istanbul | Boutique | 24 | New City |
 | Meroddi Bomonti Apartments Hotel Istanbul | Apartment 3rd Category | 43 | New City |
 | Meroddi Galata Mansion Hotel Istanbul | Boutique | 18 | New City |
 | Meroddi Pera Hotel Istanbul | Boutique | 20 | New City |
 | Metrolux Hotel Istanbul | 3.0 star rating | 23 | Old City |
 | Metropolitan Hotels Taksim Istanbul | 4.0 star rating | 86 | New City |
 | Mevlana Boutique Hotel Istanbul | 3.0 star rating | 20 | Old City |
 | Mia Berre Hotels Istanbul | 4.0 star rating | 80 | New City |
| Midmar Hotel Istanbul | 4.0 star rating | 92 | Ataturk Airport Istanbul |
 | Midtown Hotel Istanbul | 4.0 star rating | 80 | New City |
| Milano Hotel & Spa Istanbul | Boutique | 32 | Old City |
 | Mina Hotel Istanbul | Historical Hotel Luxurious | 48 | Old City |
 | Minel Hotel Istanbul | Pending Category | 10 | Ataturk Airport Istanbul |
 | Mio Suites II Hotel Istanbul | 3.0 star rating | 5 | New City |
 | Miracle Hotel Istanbul | 3.0 star rating | 30 | New City |
 | Miracle Istanbul Asia Hotel | 5.0 star rating | 219 | Asian Side |
 | Miran Hotel Istanbul | Boutique | 16 | Old City |
 | Mirilayon Hotel Istanbul | 4.0 star rating | 79 | Old City |
 | Misafir Suites 8 Istanbul Hotel | Boutique | 21 | New City |
 | Misa Hotel Istanbul | Boutique | 30 | Old City |
| Modern Sultan Hotel Istanbul | Boutique | 10 | Old City |
 | Modus Hotel Istanbul | 4.0 star rating | 49 | New City |
 | Molton Hotel Nisantasi Istanbul | Aparthotel 4* | 22 | New City |
 | Molton Monapart Mecidiyekoy Hotel Istanbul | Aparthotel 3* | 34 | New City |
 | Momento Hotel Istanbul | Boutique | 45 | Old City |
 | Monaco Hotel Istanbul | 4.0 star rating | 65 | Old City |
| Monopol Hotel Istanbul | 3.0 star rating | 246 | New City |
| Mono Suites Hotel Istanbul | 3.0 star rating | 12 | Old City |
 | Montagna Hera Hotel Istanbul | Boutique | 28 | New City |
 | Mood Design Suites Hotel Istanbul | Boutique | 102 | New City |
 | Morione Hotel Istanbul | Boutique | 21 | New City |
 | Mosaic Hotel Istanbul | 4.0 star rating | 115 | Old City |
| Mr Cas Hotel Istanbul | 4.0 star rating | | Beyoglu |
 | Mr CAS Hotels Istanbul | Bed And Breakfast | 33 | New City |
 | Muyan Suites Hotel Istanbul | Boutique | 12 | Old City |
 | My Bade Hotels Sisli Istanbul | 4.0 star rating | 126 | New City |
| My City Otel Agaoglu Hotel Istanbul | 4.0 star rating | 114 | Asian Side |
 | My Home Sultanahmet Hotel Istanbul | 3.0 star rating | 15 | Old City |
| My Room Ä°stanbul Hotel Istanbul | 3.0 star rating | 25 | New City |
 | Nabu Hotel Karakoy Istanbul | Boutique | 30 | Old City |
 | Nanda Hotel Istanbul | 4.0 star rating | 56 | Old City |
 | Nena Hotel Istanbul | 4.0 star rating | 29 | Old City |
 | Neorion Hotel Istanbul | Boutique | 58 | Old City |
| Net House Hotel Istanbul | 3 Keys | 10 | New City |
| New Fatih Hotel Istanbul | 3.0 star rating | | Old City |
 | New Pera Hotel Istanbul | Boutique | 8 | Beyoglu |
 | Newport Hotel Istanbul | 3.0 star rating | 44 | Old City |
| Newport Sultanahmet Hotel Istanbul | 3.0 star rating | 23 | Old City |
| Next House Pera Hotel Istanbul | Boutique | 12 | New City |
| Nice Royal Hotel Istanbul | 3.0 star rating | | Asian Side |