Debhata () is an upazila of Satkhira District in Khulna Division, Bangladesh.
Debhata is located at . It has 29813 households and total area 173.21 km<sup>2</sup>.
Debhata Upazila is bounded by Satkhira Sadar Upazila on the north, Assasuni Upazila and Satkhira Sadar Upazila on the east, Kaliganj Upazila on the south and Hasnabad and Basirhat I CD Blocks in North 24 Parganas district in West Bengal, India on the west.
According to the 2022 Bangladeshi census, Debhata Upazila had 34,254 households and a population of 133,014. 8.19% were under 5 years of age. Debhata had a literacy rate of 78.71%: 82.01% for males and 75.48% for females, and a sex ratio of 98.58 males per 100 females. 42,126 (31.67%) lived in urban areas.
As of the 2011 Census of Bangladesh, Debhata upazila had 29,813 households and a population of 125,358. 23,882 (16.52%) inhabitants were under 10 years of age. Debhata had an average literacy rate of 54.82%, compared to the national average of 51.8%, and a sex ratio of 1008 females per 1000 males. 2,781 (2.22%) of the population lived in urban areas.
According to the 1991 Bangladesh census, Debhata had a population of 99,068. Males constituted 51.11% of the population, and females 48.89%. The population aged 18 or over was 50,418. Debhata has an average literacy rate of 30.9% (7+ years), compared to the national average of 32.4%.
Debhata Upazila is divided into five union parishads: Debhata, Kulia, Noapara, Parulia, and Sakhipur. The union parishads are subdivided into 59 mauzas and 125 villages.