| Rio Residence Hotel Bangkok | 3.0 star rating | 70 | Sathorn |
 | Riva Arun Bangkok Hotel | 4.0 star rating | 25 | Khao San |
 | Riva Surya Bangkok Hotel | 4.0 star rating | 68 | Khao San |
 | Riverfront Residence Bangkok Hotel | 3.0 star rating | 160 | Riverside |
 | Riverine Place Riverside Serviced Apartment Hotel Bangkok | 3.0 star rating | 133 | Nontaburi |
 | River Side Bangkok Hotel | 3.0 star rating | 244 | Riverside |
 | Riverside Suvarnabhumi Hotel Bangkok | 3.0 star rating | 105 | Suvarnabhumi Airport |
| Riverside Suvarnabhumi Hotel Bangkok | 3.0 star rating | | Suvarnabhumi Airport |
 | River View Guest House Hotel Bangkok | 2.0 star rating | 45 | Chinatown-Old City |
 | Romance Serviced Apartment & Hotel Bangkok | 3.0 star rating | 119 | Sri Nakarin |
 | Romyen Residence Hotel Bangkok | 2.0 star rating | | Chinatown-Old City |
| Rongratana Executive Residence Hotel Bangkok | 5.0 star rating | 24 | Pratunam-Petchburi |
 | Roombangkok Bed And Breakfast Hotel Bangkok | 2.0 star rating | | Sukhumvit |
 | Rose Hotel Bangkok | 2.0 star rating | 70 | Silom |
 | Royal Asia Paradise Hotel Bangkok | 3.0 star rating | 98 | Sukhumvit |
 | Royal Benja Hotel Bangkok | 4.0 star rating | 392 | Sukhumvit |
 | Royal Express Inn Sukhumvit Hotel Bangkok | 2.0 star rating | 19 | Sukhumvit |
 | Royal Ivory Sukhumvit Nana by Compass Hospitality Hotel Bangkok | 3.0 star rating | 90 | Sukhumvit |
 | Royal Orchid Sheraton - Towers Bangkok Hotel | 5.0 star rating | 734 | Riverside |
 | Royal Pacific Hotel Bangkok | 2.0 star rating | 189 | Rama 9- Ratchadapisek |
 | Royal Paradise Bangkok Hotel | 2.0 star rating | 210 | Suvarnabhumi Airport |
 | Royal Park View Hotel Bangkok | 3.0 star rating | 235 | Sukhumvit |
 | Royal President Hotel Bangkok | 4.0 star rating | 186 | Sukhumvit |
 | Royal Princess Larn Luang Hotel Bangkok | 4.0 star rating | 167 | Khao San |
 | Royal Rattankosin Hotel Bangkok | 3.0 star rating | 300 | Khao San |
 | Royal River Hotel Bangkok | 3.0 star rating | 436 | Riverside |
 | Royal Suite Residences, Bangkok Hotel | 4.0 star rating | 123 | Rama 9- Ratchadapisek |
 | Royal View Resort Hotel, Bangkok | 3.0 star rating | 104 | Rajatevee- Phayathai |
 | Ruamchitt Plaza Hotel Bangkok | 3.0 star rating | 75 | Sukhumvit |
 | Ruamchitt Travelodge Hotel Bangkok | 2.0 star rating | 63 | Sukhumvit |
 | S 15 Sukhumvit Hotel Bangkok | 4.0 star rating | 72 | Sukhumvit |
 | S2S Boutique Resort (Formerly Moeleng Residence) Bangkok | 2.0 star rating | 38 | Pratunam-Petchburi |
 | S31 Sukhumvit Hotel Bangkok | 4.0 star rating | 90 | Sukhumvit |
 | S33 Compact Sukhumvit Hotel Bangkok | 3.0 star rating | 80 | Sukhumvit |
 | S3 Residence Park Bangkok Hotel | 3.0 star rating | 21 | Rajatevee- Phayathai |
 | Sabai Sabai @ Sukhumvit Hotel Bangkok | 3.0 star rating | 42 | Sukhumvit |
 | Sabai Sathorn Service Apartment Hotel Bangkok | 4.0 star rating | 50 | Sathorn |
 | Sabye Bangkok Hotel | 3.0 star rating | 23 | Khao San |
 | Sacha's Hotel Uno Bangkok | 3.0 star rating | 56 | Sukhumvit |
 | Sakul House Hotel Bangkok | 3.0 star rating | 31 | Khao San |
 | Sakura Sky Residence Hotel Bangkok | 3.0 star rating | 64 | Sukhumvit |
 | Sala Daeng Colonade Hotel Bangkok | 4.0 star rating | 46 | Silom |
 | Saladang Place Hotel Bangkok | 3.0 star rating | 100 | Silom |
 | Sala Rattanakosin Bangkok Hotel | 4.0 star rating | 15 | Riverside |
 | Salil Hotel Sukhumvit Soi 11 Bangkok | 4.0 star rating | 84 | Sukhumvit |
 | Salil Hotel Sukhumvit Soi 8 Bangkok | 4.0 star rating | 30 | Sukhumvit |
 | Salil Hotel Sukhumvit Soi Thonglor1 Bangkok | 4.0 star rating | 111 | Sukhumvit |
 | Salin Home Hotel Bangkok | 2.0 star rating | 46 | Ramkamhaeng |
 | Samran Place Hotel Bangkok | 2.0 star rating | 24 | Pratunam-Petchburi |
 | Sam's Lodge Hotel Bangkok | 2.0 star rating | 18 | Sukhumvit |