Ambatondrazaka District is a district in the Alaotra-Mangoro Region of Madagascar. Its capital is the town of Ambatondrazaka. The district has an area of 6,967 km (2,690 sq mi), and the estimated population in 2020 was 375,183.

The city is situated south of Alaotra, the greatest lake in Madagascar.

• FJKM - Fiangonan'i Jesoa Kristy eto Madagasikara (Church of Jesus Christ in Madagascar)
• FLM - Fiangonana Loterana Malagasy (Malagasy Lutheran Church)
• Roman Catholic Diocese of Ambatondrazaka (Cathedral of the Holy Trinity).

The district is linked to Moramanga by the MLA (Moramanga–Lac Alaotra) railway and the Route nationale 44 (Moramanga–Ambatondrazaka–Imerimandroso–Amboavory). There is also an airport in Ambatondrazaka.

The district is further divided into 20 communes:

• Ambandrika
• Ambatondrazaka Suburbaine
• Ambatondrazaka
• Ambatosoratra
• Ambohitsilaozana
• Amparihitsokatra
• Ampitatsimo
• Andilanatoby
• Andromba
• Antanandava
• Antsangasanga
• Bejofo
• Didy
• Feramanga Nord
• Ilafy
• Imerimandroso
• Manakambahiny Est
• Manakambahiny Ouest
• Soalazaina
• Tanambao Besakay

17°50′00″S 48°25′00″E / 17.8333°S 48.4167°E / -17.8333; 48.4167