There are at least 4 groups that use this name.

Javelin is a hip-hop and electro production duo from Providence, RI.
Tracks can be downloaded from their official Myspace page, http://www.myspace.com/hotjamzofjavelin.

Javelin was a visual kei band from Japan.
Alternate listings on last.fm are Javelin and ?????

Javelin is a metal band from Germany.
http://www.myspace.com/javelinmetal

Javelin is a stoner/doom metal band from Boston, MA.
http://www.myspace.com/javelinboston

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