|• Total||25.8 km2 (10.0 sq mi)|
|Elevation||540 m (1,770 ft)|
|• Density||280/km2 (720/sq mi)|
|Racial makeup (2011)|
|• Black African||6.4%|
|First languages (2011)|
|Postal code (street)||6655|
Ladismith is a town and agricultural centre in the western Klein Karoo region of South Africa's Western Cape province. In 1852 the farm Elandsvlei was set aside for the town, and it became a municipality in 1862. It was named after Lady Juana María Smith.
It is situated adjacent to a series of fertile, irrigated valleys, at an elevation of 550 m above sea level, at the southern base of the Swartberg. It is currently included in the southern Kannaland Local Municipality. The nearest towns are Calitzdorp to the east, Vanwyksdorp and Riversdale to the south and Laingsburg to the north.