Back Otto Donner (Linguist) German Otto Donner (kielitieteilijä) Finnish Otto Donner NN Otto Donner NB Доннер, Отто Russian Otto Donner Swedish Otto Donner Turkish Отто Доннер Ukrainian
Otto Donner (15 December 1835, Kokkola – 17 September 1909, Helsinki) was a Finnish linguist and politician.