Ban Na (, ) is a district (amphoe) in the western part of Nakhon Nayok province, central Thailand.
In the Ayutthaya era, the people of Tambon Pa Kha were elephant catchers (à ¸Âà ¸Âà ¸Âà ¹Âà ¸Âà ¸Âà ¸Âà ¹Âà ¸²à ¸Â), catching wild elephants to use as war elephants.
Ban Na district was established in 1903, then named Tha Chang District. As the original district office in Tambon Bang O was inconvenient for transportation and prone for flooding, the government moved the office to Suwannason Road in 1965.
When Nakhon Nayok Province was downgraded, the government transferred Ban Na District to Saraburi province. It became a district of Nakhon Nayok again on 9 May 1946 when the province was re-established.
Neighboring districts are (from the east clockwise) Mueang Nakhon Nayok and Ongkharak of Nakhon Nayok Province; Nong Suea of Pathum Thani province; and Wihan Daeng and Kaeng Khoi of Saraburi province.
The important water resource is Khlong Ban Na.
The district is divided into 10 subdistricts (tambons), which are further subdivided into 116 villages (mubans).
As of December 2023 there are two subdistrict municipalitues (thesaban tambon). Ban Na covers halve of Ban Na subdistrict and a small part of Phikun Ok subdistrict. Phikun Ok covers the remaining part of Phikun Ok subdistrict. There are nine subdistrict administrative organizations - SAO (ongkan borihan suan tambon - o bo toh).
There is Ban Na community hospital with 70 beds.
There are total 14 health-promoting hospitals in the district, of which; one in Asa, Bang O, Phikun Ok, Pa Kha and Si Ka-ang and two in Ban Phrao, Ban Phrik and Thonglang and three in Khao Phoem.
There are fifty-five Theravada Buddhist temples in the district.<br> Three in Bang O, four in Asa and Thonglang, five in Ban Na, Ban Phrao, Pa Kha and Phikun Ok, seven in Khao Phoem, eight in Si Ka-ang and nine in Ban Phrik.