 | Olympic Parktel Seoul Hotel | 4.0 star rating | | Gangnam |
 | Omokgyo Coop Residence Hotel Seoul | 3.0 star rating | 744 | Seoul City |
| Oppa Hostel Hotel Seoul | 4.0 star rating | | Seoul City |
 | Orakai Insadong Suites Seoul Hotel | 5.0 star rating | 213 | Gangbuk |
 | Orange County Hotel Seoul | 3.0 star rating | | Seoul City |
 | Oriens Hotel & Residences Seoul | 3.0 star rating | 116 | Seoul City |
 | Oslo Seocho Hotel Seoul | 1 Star | 45 | Gangnam |
 | Pacific Hotel Seoul | 4.0 star rating | 181 | Gangbuk |
 | Park Hyatt Seoul Hotel | 5.0 star rating | 185 | Gangnam |
 | Pencil 5 Hostel Hotel Seoul | 1 Star | | Seoul City |
 | Petra Hotel Seoul | 2.0 star rating | 45 | Gangnam |
 | Pharos Hotel Seoul | 4.0 star rating | 52 | Seoul City |
| Phil House Hotel Seoul | 2.0 star rating | 31 | Gwang-jin |
| Philstay Dongdaemun DDP Hotel Seoul | Guest House | 25 | Gangbuk |
| Philstay Dongguk University Hotel Seoul | Guest House | | Gangbuk |
 | Philstay Ehwa Womans University Hotel Seoul | Guest House | | Gangbuk |
 | Piano Hotel Seoul | 2.0 star rating | 46 | Seoul City |
 | Picasso Hotel Seoul | 1 Star | 29 | Gangbuk |
| Pinetree Guesthouse Hotel Seoul | 3.0 star rating | | Seoul City |
| Pinetree Guesthouse Hotel Seoul | 1 Star | 8 | Seoul City |
 | Plex Hotel Seoul | 2.0 star rating | 40 | Seoul City |
 | Pop Itaewon Guesthouse Hotel Seoul | 1 Star | 7 | Seoul City |
 | President Hotel Seoul | 4.0 star rating | 303 | Gangbuk |
 | Prima Hotel Seoul | 4.0 star rating | 120 | Gangnam |
| Prime In Seoul Hotel | 3.0 star rating | 76 | Seoul City |
 | Provista Hotel Seoul | 4.0 star rating | 274 | Gangnam |
| Queen 21 Hotel Sinchon Seoul | 1 Star | 30 | Gangbuk |
| Rainbow Hotel Hwagok Seoul | 2.0 star rating | 47 | Gangbuk |
 | Rainbow Itaewon Hotel Seoul | 2.0 star rating | 65 | Gangbuk |
 | Ramada Encore Dongdaemun Hotel Seoul | 4.0 star rating | 247 | Gangbuk |
| Ramada Encore Seoul Magok Hotel | 3.0 star rating | | Gangbuk |
 | Ramada Hotel&Suites Seoul Namdaemun | 4.0 star rating | 317 | Gangbuk |
 | Ramada Seoul Hotel | 4.0 star rating | 246 | Gangnam |
 | Ramada Seoul Dongdaemun Hotel | 3.0 star rating | 154 | Gangbuk |
 | Regent Motel Hotel Seoul | 2.0 star rating | | Seoul City |
 | Rex Seoul Hotel | 3.0 star rating | 100 | Gangbuk |
 | R Hotel Seoul | 3.0 star rating | 86 | Gangnam |
| Rian Hotel Seoul | 2.0 star rating | 57 | Seoul City |
 | Richmond Hotel Seoul | 2.0 star rating | 44 | Gangnam |
 | Roadhouse Myeongdong Hotel Seoul | 1 Star | 18 | Seoul City |
 | Rosana Boutique Hotel Seoul | 3.0 star rating | 81 | Seoul City |
 | Royal Hotel Seoul | 4.0 star rating | 304 | Gangbuk |
 | Saerim Hotel Insadong Seoul | 2.0 star rating | 31 | Gangbuk |
| SamJeoung Tourist Hotel Seoul | 4.0 star rating | 159 | Seoul City |
 | Samjung Hotel Seoul | 4.0 star rating | 160 | Gangnam |
 | Samsung Casaville Hotel Seoul | Residence | 143 | Gangnam |
 | Savoy Hotel Seoul | 3.0 star rating | 103 | Gangbuk |
 | SB Hotel Seoul | 2.0 star rating | 61 | Seoul City |
 | Sejong Hotel Seoul | 5.0 star rating | 343 | Gangbuk |
 | Seocho Artnouveau City III Hotel Seoul | 4.0 star rating | 174 | Gangnam |