Mihai Tican-Rumano — son of a small-town lumberjack, an adventurer, hunter, globetrotter and writer, he traveled to central East Africa in 1925, where he hunted and studied cannibalism first hand.
Emil Racoviţă or Racovitza (1868–1947) — he traveled to Patagonia and Tierra del Fuego, but most notably he is remembered for his research in Antarctica on board the ship Belgica; he was one of the world's foremost cave explorers, and the international founder for the science of biospelology (study of life in caves).
Bazil Assan (1860–1918) — from 1896 to 1897 he travelled and studied Lapland, the Arctic, Spitzbergen, discovering new islands; he later voyaged fully around the world and on his return, with the King of Romania's permission, boarded the NMS Elisabeta warship and took possession of certain unclaimed islands in the Pacific for Romania, but the project fell short for financial reasons.
Dumbravă Constantin (1898–1935) — explorer of Greenland, he led a ten-month expedition, in 1928, in Angmassalik region; in 1930 into 1931, he crossed the entire island and studied the Greenlandic Inuit.
Contantin Chiru (1848–1933)
Teodor Negoiţă (1947–2011) — polar-region explorer who, in 1995, became the first Romanian explorer who reached the North Pole; he ran the first permanent Romanian research-and-exploration station in Antarctica, the Law-Racoviță-Negoiță Station, which he established in 2006. Originally named Law-Racoviță Station, his name was added in 2011 in his honor after his death.