Orsini Rock (, ) is the rock off the north coast of Livingston Island in the South Shetland Islands, Antarctica 90 m long in westâÂÂeast direction and 46 m wide, with a surface area of 0.42 ha. The vicinity was visited by early 19th century sealers.
The feature is named after Latino Orsini (c. 1530âÂÂ1580), an Italian politician and military who invented the surveying instrument radio latino; in association with other names in the area deriving from the early development or use of geodetic instruments and methods.
Orsini Rock is located in Barclay Bay at , which is 2.44 km northwest of Bilyar Point, 3.94 km northeast of Lair Point and 7.25 km east-southeast of Window Island. Bulgarian mapping in 2009 and 2017.