| .sony | Generic | Sony Corporation | — | — |
| .soy | Generic | Charleston Road Registry Inc. | — | — |
| .spa | Generic | Asia Spa and Wellness Promotion Council Limited | — | — |
| .space | Generic | Radix Technologies Inc. | — | — |
| .sport | Generic | SportAccord | — | — |
| .spot | Generic | Amazon Registry Services, Inc. | — | — |
| .srl | Generic | InterNetX Corp. | — | — |
| .stada | Generic | STADA Arzneimittel AG | — | — |
| .staples | Generic | Staples, Inc. | — | — |
| .star | Generic | Star India Private Limited | — | — |
| .statebank | Generic | STATE BANK OF INDIA | — | — |
| .statefarm | Generic | State Farm Mutual Automobile Insurance Company | — | — |
| .stc | Generic | Saudi Telecom Company | — | — |
| .stcgroup | Generic | Saudi Telecom Company | — | — |
| .stockholm | Generic | Stockholms kommun | — | — |
| .storage | Generic | XYZ.COM LLC | — | — |
| .store | Generic | Radix Technologies Inc. | — | — |
| .stream | Generic | dot Stream Limited | — | — |
| .studio | Generic | Dog Beach, LLC | — | — |
| .study | Generic | Registry Services, LLC | — | — |
| .style | Generic | Binky Moon, LLC | — | — |
| .sucks | Generic | Vox Populi Registry Ltd. | — | — |
| .supplies | Generic | Binky Moon, LLC | — | — |
| .supply | Generic | Binky Moon, LLC | — | — |
| .support | Generic | Binky Moon, LLC | — | — |
| .surf | Generic | Registry Services, LLC | — | — |
| .surgery | Generic | Binky Moon, LLC | — | — |
| .suzuki | Generic | SUZUKI MOTOR CORPORATION | — | — |
| .swatch | Generic | The Swatch Group Ltd | — | — |
| .swiss | Generic | Swiss Confederation | — | — |
| .sydney | Generic | State of New South Wales, Department of Premier and Cabinet | — | — |
| .systems | Generic | Binky Moon, LLC | — | — |
| .tab | Generic | Tabcorp Holdings Limited | — | — |
| .taipei | Generic | Taipei City Government | — | — |
| .talk | Generic | Amazon Registry Services, Inc. | — | — |
| .taobao | Generic | Alibaba Group Holding Limited | — | — |
| .target | Generic | Target Domain Holdings, LLC | — | — |
| .tatamotors | Generic | Tata Motors Ltd | — | — |
| .tatar | Generic | Limited Liability Company "Coordination Center of Regional Domain of Tatarstan Republic" | — | — |
| .tattoo | Generic | Registry Services, LLC | — | — |
| .tax | Generic | Binky Moon, LLC | — | — |
| .taxi | Generic | Binky Moon, LLC | — | — |
| .tci | Generic | Emergency Back-End Registry Operator Program - ICANN | — | — |
| .tdk | Generic | TDK Corporation | — | — |
| .team | Generic | Binky Moon, LLC | — | — |
| .tech | Generic | Radix Technologies Inc. | — | — |
| .technology | Generic | Binky Moon, LLC | — | — |
| .temasek | Generic | Temasek Holdings (Private) Limited | — | — |
| .tennis | Generic | Binky Moon, LLC | — | — |
| .teva | Generic | Teva Pharmaceutical Industries Limited | — | — |