Ikalamavony is a district and a small town in Haute Matsiatra region, in the hills of southern central Madagascar with a population of 35,114 in 2018. The district has a total population of 151,056 inhabitants. With 10,163 km2 it occupies almost half of the surface of Haute Matsiatra. The capital of the district is Ikalamavony.

The district is situated at 96 km north-west of Fianarantsoa. Its main town, Ikalamavony is situated on the National road 42.

The district is further divided into eight communes:

• Ambatomainty - (45 km from Ikalamavony)
• Fitampito - (50 km from Ikalamavony)
• Ikalamavony
• Mangidy - (35 km from Ikalamavony)
• Solila - (46 km from Ikalamavony)
• Tanamarina Sakay
• Tanamarina (also named Tanamarina Bekisopa)
• Tsitondroina

The partly unpaved National road 42 links the town to Isorana and Fianarantsoa (90 km).

Matsiatra in the North, and the Mananantanana river in the South cross the district. The Zomandao river is another river of importance.

21°09′S 46°35′E / 21.150°S 46.583°E / -21.150; 46.583