There are multiple artists with this name:
1) An alternative/indie rock band from Turku, Finland
2) A folk-pop band from London
3) An abandoned synth project from Sweden
4) A hard rock/punk band from New York City in the early-mid 90's.
5) A kwaito artist from Namibia.
6) A pop-rock band hailing from aberdeen, scotland.
1)
Stanley is an alternative/indie rock band from Turku, Finland. 2)
A folk-pop band from London - see Last FM artist page "Stanley (the band)" 3)
An abandoned synth project from Sweden

Read more about Stanley on Last.fm.