Guido Island (64°55′S 63°50′W / 64.917°S 63.833°W) is an island lying 1 nautical mile (2 km) northeast of Prioress Island in the Wauwermans Islands, in the Wilhelm Archipelago, Antarctica. It was shown on an Argentine government chart of 1950; the name "Isla Guido Spano" appears on a 1957 chart and is for Carlos Guido Spano [es] (1829–1918), a famous Argentine poet.[1]