A number of plant, animal and fungal species have been named to his honour, e.g. Saxifraga nathorstii (Dusén) Hayek (East Greenland saxifrage) and a suite of fossil plant species, Williamsonia nathorstii Carruthers (a fossil dragonfly) and Laestadites nathorstii Mesch. (a fossil fungus).
Karl Marx | Karl Pilkington | Karl Lagerfeld | Karl G. Heider | Karl Rove | Karl Pearson | Karl May | Karl Liebknecht | Karl Friedrich Schinkel | Karl Dönitz | Karl Jenkins | Karl Stefanovic | Hjalmar Schacht | Karl Bodmer | Karl Wilhelm Friedrich Schlegel | Karl Malone | Karl Wolf | Karl Valentin | Karl Popper | Karl Malden | Karl Kesel | Karl Barth | Karl Richard Lepsius | Karl Philipp von Wrede | Karl Kautsky | Karl Johans gate | Karl-Heinz Kämmerling | Karl | Karl Weierstrass | Karl Story |