| .cu | |
| Introduced: | 3 June 1992 |
| Type: | Country code top-level domain |
| Status: | Active |
| Registry: | Cuba-NIC |
| Sponsor: | CENIA Internet (CITMATEL) |
| Intendeduse: | Entities connected with  Cuba |
| Actualuse: | Very popular in Cuba |
| Registereddomains: | 7,882 |
| Dateregistereddomains: | 10 July 2023 |
| Refregistereddomains: | [1] |
| Restrictions: | Limited to people and companies located in Cuba; 3rd-level registrations may have other limitations based on which 2nd-level domain they are within |
| Structure: | May register at second level or beneath generic 2nd-level categories at 3rd level |
| Disputepolicy: | None |
| Website: | CUBANIC |
.cu is the country code top-level domain (ccTLD) for Cuba.
Cuban and foreign legal entities, as well as natural persons residing in the country, may request the granting of a domain name.