N. robustus

N. robustus may refer to:
 * Nassarius robustus, a sea snail species
 * Nothobranchius robustus, the red victoria nothobranch, a fish species found in Kenya, Tanzania and Uganda
 * Notomys robustus, the great hopping mouse, an extinct rodent species known only from skulls found in owl pellets in the Flinders Ranges in Australia