A netio may refer to any of the following:
1. Netio is a utility that measure a network's throughput over TCP/IP. For Windows and OS/2 operating systems, it also measures network throughput over NetBIOS using measurements calculated with various packet sizes.
2. NetIO is an application, available for both iPhone and Android smartphones, that allows users to control many devices connected to a local network. The app reads and sends strings over a local network socket to communicate with microcontrollers and other computers. For example, NetIO may be used with home automation to control thermostats, RFM12 power outlets, and infrared devices.