Ramsden Rock (, ) is the rock off the north coast of Livingston Island in the South Shetland Islands, Antarctica 127 m long in southeastâÂÂnorthwest direction and 100 m wide. It is split in several abutting parts with an aggregate surface area of 0.47 ha. The vicinity was visited by early 19th century sealers.
The feature is named after Jesse Ramsden (1735-1800), a British mathematician and scientific instrument maker who created a modern, accurate surveyor's theodolite; in association with other names in the area deriving from the early development or use of geodetic instruments and methods.
Ramsden Rock is located in Hero Bay at , which is 1 km northwest of Siddins Point, 9 km east-northeast of Avitohol Point and 9 km southwest of Desolation Island, according to mapping done in 2009 and 2017.