Tsiroanomandidy [tsiˌrunʷmanˈdidʲ] is a city (commune urbaine) in central-western Madagascar, approximately 210 kilometres west of the capital Antananarivo.

There are 18 communes in the district with a total of 215 villages (fokontany).

[3] The national road RN 1 and Route nationale 1b connects the city with Antananarivo (218 km).

Merina (55%), Betsileo, Antandroy, Antaisaka live in Tsiroanaomandidy.

[4] Tsiroanomandidy has the largest Zebu market in Madagascar.