Since Sean's original post asked about Light Sport Aircraft (as opposed to Light Aircraft) - LSA is a distinct category - here's the EAA reference and lists
The links at the bottom of this page:
lead to tables of the most well-known types (and notes about similar, non-conforming models.)
European regulations for LSA are slightly different so there is some conflict if you look at other lists. LSA is gaining interest in Europe due to far higher base costs of aviation so there is a constantly growing list of Euro types, quite a few of which are also legal/sold in the US.
Some of Keith Paine's FS9 models of older Brit...