- Rōmaji transcription of
From the children's book Mio, min Mio by Astrid Lindgren. The book title is word play on Italian mio (“my”). The name can also be interpreted as a short form of names ending in -mio, such as Artemio, Eutimio, or as a masculine equivalent of the Swedish Mia.
- A male given name.
 Statistics Sweden: 1708 males with the given name Mio living in Sweden on December 31st, 2013, with the highest frequency so far in 2011. Accessed on 4 April 2014.