| .juniper | JUNIPER NETWORKS, INC. | — |
| .kaufen | Dog Beach, LLC | — |
| .kddi | KDDI CORPORATION | — |
| .kerryhotels | Kerry Trading Co. Limited | — |
| .kerryproperties | Kerry Trading Co. Limited | — |
| .kfh | Kuwait Finance House | — |
| .kia | KIA MOTORS CORPORATION | — |
| .kids | DotKids Foundation Limited | — |
| .kim | Identity Digital Limited | — |
| .kindle | Amazon Registry Services, Inc. | — |
| .kitchen | Binky Moon, LLC | — |
| .kiwi | DOT KIWI LIMITED | — |
| .koeln | dotKoeln GmbH | — |
| .komatsu | Komatsu Ltd. | — |
| .kosher | Kosher Marketing Assets LLC | — |
| .kpmg | KPMG International Cooperative (KPMG International Genossenschaft) | — |
| .kpn | Koninklijke KPN N.V. | — |
| .krd | KRG Department of Information Technology | — |
| .kred | KredTLD Pty Ltd | — |
| .kuokgroup | Kerry Trading Co. Limited | — |
| .kyoto | Academic Institution: Kyoto Jyoho Gakuen | — |
| .lacaixa | Fundación Bancaria Caixa d'Estalvis i Pensions de Barcelona, "la Caixa" | — |
| .lamborghini | Automobili Lamborghini S.p.A. | — |
| .lamer | The Estée Lauder Companies Inc. | — |
| .land | Binky Moon, LLC | — |
| .landrover | Jaguar Land Rover Ltd | — |
| .lanxess | LANXESS Corporation | — |
| .lasalle | Jones Lang LaSalle Incorporated | — |
| .lat | XYZ.COM LLC | — |
| .latino | Dish DBS Corporation | — |
| .latrobe | La Trobe University | — |
| .law | Registry Services, LLC | — |
| .lawyer | Dog Beach, LLC | — |
| .lds | IRI Domain Management, LLC | — |
| .lease | Binky Moon, LLC | — |
| .leclerc | A.C.D. LEC Association des Centres Distributeurs Edouard Leclerc | — |
| .lefrak | LeFrak Organization, Inc. | — |
| .legal | Binky Moon, LLC | — |
| .lego | LEGO Juris A/S | — |
| .lexus | TOYOTA MOTOR CORPORATION | — |
| .lgbt | Identity Digital Limited | — |
| .lidl | Schwarz Domains und Services GmbH & Co. KG | — |
| .life | Binky Moon, LLC | — |
| .lifeinsurance | American Council of Life Insurers | — |
| .lifestyle | Internet Naming Co. | — |
| .lighting | Binky Moon, LLC | — |
| .like | Amazon Registry Services, Inc. | — |
| .lilly | Eli Lilly and Company | — |
| .limited | Binky Moon, LLC | — |
| .limo | Binky Moon, LLC | — |