There is more than one artist using this name:

1) A mathcore/techgrind band from St. Louis, Missouri (USA)

Facebook: https://www.facebook.com/casinostl
Bandcamp: https://casino2.bandcamp.com/

2) An Atlanta-based rapper who is the brother of Future and signed to his imprint Freebandz.

3) At first a smaller band in Chile, they became popular in the country with the song En Tus Manos because it was the theme song of the Chilean film Promedio Rojo.

4) A Rock/Alternative band consisting of members Adam Zindani (vocals/guitar), Sam Yapp (drums), Jo Crofts (guitar) and Jimi Crutchley (bass). The band was originally formed as 'Casino' in 2001 and changed name to SpiderSimpson following their signing to Polydor in 2006, before changing their name back in 2008.

5) A one-off project by Geoff Mann and the gang from Shadowland (Karl Groom and Clive Nolan (also of Pendragon).

Casino features an eighties-UK-progressive superstar line-up, including members from Pendragon (keyboardist Clive Nolan), Twelfth Night (lead vocalist Geoff Mann and drummer Brian Devoil), Pallas, and Shadowland, and ends up with the influences of Nolan and Mann dominating.

6) A portuguese band co-founded by Francisca Cortesão who released a self-titled album on EMI- Portugal in 2001.