I think Victa is the last 2-stroke lawnmower manufacturer.
The last in Oz, but not the last in the world. Most of the South African manufacturers mentioned in
THIS past thread offer at least one model with a 2-stroke engine option, usually a 106cc Yamaha MT110. Edit: But some further research reveals that Yamaha has now discontinued that engine, so it looks like the writing is on the wall in ZA too.
There is only one 2-stroke - a 'Corvette' shown on the Victa AUS site.
I don't think any 2-strokes are exported.
New Zealand seems to be the last remaining Victa 2-stroke export market, and the Kiwis do get the commercial Mastercut 460 MXP462, as well as the Commando 550 and Mustang MMX482 domestic 2-stroke models. See
http://www.victa.com/nz , and I could find these models on NZ dealer websites too.
Victa has exported to South Africa in the past, but doesn't seem to now.