The Department of Agriculture and Farmers' Welfare one of the departments of Government of Tamil Nadu.

As of 2022[update], agriculture contributed to 13% of the state's GSDP.

[1] As of 2022[update], the state had 6.15 million hectares under cultivation.

[2] The department is responsible to ensure stable agricultural production, devise and implement methodologies to increase food production and ensure availability of raw materials for agro-based industries.

[3] The department has the following sub-departments:[4] The following agencies and undertakings are administered by the department:[4]