Hosoya (written: or ) is a Japanese surname. Notable people with the surname include: *, Japanese businessman *, Japanese triathlete *, Japanese chemist and professor **

Hosoya index The Hosoya index, also known as the Z index, of a graph is the total number of matchings in it. The Hosoya index is always at least one, because the empty set of edges is counted as a matching for this purpose. Equivalently, the Hosoya index is t ...

*, Japanese baseball player *, Japanese footballer *, Japanese rower *, Japanese voice actor

See also