There are five artists using this name:

1. Mira (Bertels): is a Belgian singer-songwriter from Antwerp who sings humorous songs about day-to-day situations (from dirty toilets to roofworkers) in her own dialect. In 2005, she finished 2nd in the prestiguous Belgian Nekka-contest.
Her first release was a mini-cd called 'Klein Gevaarlijk Afval' including 4 songs: 'Openbare Weg', 'Engelke', 'Voal Weecees' en 'En Uwe Maat'. In 2006 her first single (Openbare Weg) was released.
Her first full album appeared in the autumn of 2006, it's called "In de Daluren".
http://www.mira-online.be

2. Mira: A band from Tallahassee, Florida consisting of vocalist Regina Sosinski, drummer Alan Donaldson, guitarist Tom Parker, bass guitarist Melody Fleck and bass guitarist Sam Riles. Mira signed with Projekt records in 2000 and released their debut full-length, self-titled, album. This was followed by the album Apart in 2003 and There I Go Daydreamer in 2005. Mira has also released several EPs and CD singles on Projekt.

Mira creates floating, shimmering melodies overlaid by Sosinski's ethereal vocals. While layers of guitars create a distinctly shoegaze backdrop. Mira's influences include Cocteau Twins, My Bloody Valentine, Mazzy Star, Ride and Love Spirals Downwards. Their sound also is somewhat similar to contemporary Projekt band Autumn's Grey Solace

Mira's offical homepage: http://www.mira.nu


3. Mira: A Finnish female vocalist. She was active atleast during the late 90's, but has since then apparently stopped recording under the name Mira and moved on to do something else. She has a sister who also recorded under the name Therese, and together they at one time sang backing vocals for Nylon Beat. Mira's album is called "Miljoona Volttii"

4. Mira-Bulgarian chalga singer
In Payner Company Mira did her career in duet with Milko Kalaidjiev. She made really interesting songs, like "Wise guy", "Vill's wise". Mira has 5 (2008) albums, and two of them in duet with Milko Kalaidjiev. After nearly 3 years together the duet collapsed and Mira continued her own career. Some of her most known songs are "20th century", "Hey, girl", "Crying eyes" and "Chae shukarie".
Other of her songs we can mention: "Driver", "Stay", "Player", "Your sister", "Forgive me", "Sweet", "The Couple" and "Sad Flowers". Since middle of the year 2007 Mira sings in the company SunnyMusic.
http://sunnymusic.bg
Mira's official homepage is http://pop-folk.mp3-bg.com/Mira-47.html

5. Mira: A Turkish downtempo-rock band which consists of Miray Kurtulus and Tan Tuncag.

http://www.myspace.com/mirawonderstar