Google SketchUp 8 and SketchUp Pro 8 -- are now available in nine languages: "French, Spanish, Italian, German, Japanese, Korean, Brazilian Portuguese and Traditional Chinese."
With both UK and US versions of English.
"Google SketchUp Pro is 3D modeling software for professionals. SketchUp is easy and intuitive, allowing anyone to model in 3D quickly and accurately. Using 3D models, designers can make more informed decisions, communicate project details, and share ideas with colleagues and customers to reach a common goal."