| .reisen | Binky Moon, LLC | — |
| .reit | National Association of Real Estate Investment Trusts, Inc. | — |
| .reliance | Reliance Industries Limited | — |
| .ren | ZDNS International Limited | — |
| .rent | XYZ.COM LLC | — |
| .rentals | Binky Moon, LLC | — |
| .repair | Binky Moon, LLC | — |
| .report | Binky Moon, LLC | — |
| .republican | Dog Beach, LLC | — |
| .rest | Punto 2012 Sociedad Anonima Promotora de Inversion de Capital Variable | — |
| .restaurant | Binky Moon, LLC | — |
| .review | dot Review Limited | — |
| .reviews | Dog Beach, LLC | — |
| .rexroth | Robert Bosch GMBH | — |
| .rich | iRegistry GmbH | — |
| .richardli | Pacific Century Asset Management (HK) Limited | — |
| .ricoh | Ricoh Company, Ltd. | — |
| .ril | Reliance Industries Limited | — |
| .rio | Empresa Municipal de Informática SA - IPLANRIO | — |
| .rip | Dog Beach, LLC | — |
| .rocks | Dog Beach, LLC | — |
| .rodeo | Registry Services, LLC | — |
| .rogers | Rogers Communications Canada Inc. | — |
| .room | Amazon Registry Services, Inc. | — |
| .rsvp | Charleston Road Registry Inc. | — |
| .rugby | World Rugby Strategic Developments Limited | — |
| .ruhr | dotSaarland GmbH | — |
| .run | Binky Moon, LLC | — |
| .rwe | RWE AG | — |
| .ryukyu | BRregistry, Inc. | — |
| .saarland | dotSaarland GmbH | — |
| .safe | Amazon Registry Services, Inc. | — |
| .safety | Safety Registry Services, LLC. | — |
| .sakura | SAKURA internet Inc. | — |
| .sale | Dog Beach, LLC | — |
| .salon | Binky Moon, LLC | — |
| .samsclub | Wal-Mart Stores, Inc. | — |
| .samsung | SAMSUNG SDS CO., LTD | — |
| .sandvik | Sandvik AB | — |
| .sandvikcoromant | Sandvik AB | — |
| .sanofi | Sanofi | — |
| .sap | SAP AG | — |
| .sarl | Binky Moon, LLC | — |
| .sas | Research IP LLC | — |
| .save | Amazon Registry Services, Inc. | — |
| .saxo | Saxo Bank A/S | — |
| .sbi | STATE BANK OF INDIA | — |
| .sbs | Shortdot SA | — |
| .scb | The Siam Commercial Bank Public Company Limited ("SCB") | — |
| .schaeffler | Schaeffler Technologies AG & Co. KG | — |