MIO

Mio is a term that appears in several unrelated domains. In Italian, mio is a possessive determiner meaning "my" and is used with masculine singular nouns (e.g., il mio libro). The corresponding forms are mio (masc. sing.), mia (fem. sing.), miei (masc. pl.), and mie (fem. pl.). It can also serve as a pronoun in phrases like Questo libro è mio.

In personal names, Mio is a given-name element in Japanese, often used for female characters. Notable uses include Mio Akiyama, a character in the anime and manga series K-On!.

As a brand, Mio Technology is a producer of GPS navigation devices and portable multimedia products, sometimes marketed simply as Mio. Mio Global is a brand that has produced wearable fitness devices and heart-rate monitors, including the Mio ALPHA line.

In computing, mio refers to a Rust library providing non-blocking I/O for building event-driven systems; it serves as a low-level foundation for asynchronous I/O on platforms such as Linux and Windows.