The 2012 Dunlop World Challenge was a professional tennis tournament played on indoor carpet courts.

The fifth edition of the Dunlop World Challenge tournament, it was part of the 2012 ATP Challenger Tour and the 2012 ITF Women's Circuit.

It took place on 19–25 November 2012 in Toyota, Japan.

The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following player received entry by a Junior Exempt: