| Subject | English | Spanish |
| commun., IT | user datagram protocol | protocolo de datagrama a nivel de usuario |
| commun., IT | user datagram protocol | protocolo de datagramas de usuario |
| commun., IT | user datagram protocol | protocolo de datagrama de usuario |
| commun., IT, industr. | User Datagram Protocol | protocolo de datagramas de usuario |
| comp., MS | User Datagram Protocol | Protocolo de datagramas de usuario (A connectionless transport protocol in the TCP/IP protocol stack that is used in cases where some packet loss is acceptable, for example, with digital media streams) |
| commun., IT | user-to-user protocol | protocolo de usuario a usuario |
| telecom. | user-to-user protocol | protocolo usuario a usuario |
| IT | user-user protocol | protocolo usuario-usuario |
| IT | user-user protocol | protocolo de usuario a usuario |