STEREOKhIMIYa, yak sohai khimiyaro guyand, ki sokhti fazoii molekula va tasiri onro ba khosiyati fizikii molekula (Stereokhimiyai statiki), inchunin ba samt va surati reaksiyahoi khimiyavi (Stereokhimiyai dinamiki) meomuzad. Stereokhimiya asosan moddahoi organiki va qisman gayriorganiki (payvasthoi kompleksi va khelati)-ro tadqiq mekunad.
Stereokhimiyai muosir dar khimiya, tekhnologiyai polimerho, biokhimiya, tib va farmakologiya ahamiyati kaloni amali dorad.