Olrog may refer to: Just pic. Claës Christian Olrog (1912-1985), Swedish-Argentinian zoologist. Margaret Olrog Stoddart (1865–1934), New Zealand artist. Peter Olrog Schjøtt (1833–1926), Norwegian philologist and politician. Ulf Peder Olrog (1919–1972), Swedish folklorist, lecturer, composer, songwriter, and radio personality. Species. Olrog's chaco mouse. Olrog's cinclodes. Olrog's four-eyed opossum. Olrog's gull https://en.wikipedia.org/wiki/Olrog