威尔克斯地（Wilkes Land）为东南极洲的一个地区，位于玛丽皇后地同乔治五世地之间，濒临印度洋；覆有冰层，沿岸为陡立的冰壁；海拔1800－2900米。

1838-1842年，美国人查尔斯·威尔克斯首先到达该地。

威尔克斯地可以分为5个部分：

Wilkes Land is a large district of land in eastern Antarctica, formally claimed by Australia as part of the Australian Antarctic Territory, though the validity of this claim has been placed for the period of the operation of the Antarctic Treaty, to which Australia is a signatory. It fronts on the southern Indian Ocean between Queen Mary Coast and Adelie Land, extending from Cape Hordern in 100°31' E to Pourquoi Pas Point, in 136°11' E. The region extends as a sector about 2600 km towards the South Pole, with an estimated land area of 2,600,000 km², mostly glaciated. It is further subdivided in the following coastal areas which can also be thought of as sectors extending to the South Pole: