Ludewa District is one of five districts in the Njombe Region in Tanzania, East Africa. Prior to 2012, the district was one of the seven districts of Iringa Region. The town of Ludewa is the administrative seat of the district. A hospital is located in the city. The district is bordered to the north by the Njombe Rural District and Makete District, to the southeast by the Ruvuma Region and to the southwest by the country of Malawi across Lake Malawi/Lake Nyasa.
According to the 2002 Tanzania National Census, the Ludewa District had a population of 128,155.
The district has a wide shore of Lake Nyasa with attractive beaches in Luping and Manda and the mouth of Ruhuhu River.
The primary occupation is subsistence farming and livestock rearing. Along the coast of Lake Nyasa there is traditional fishing. There is a small amount of artisanal mining of gold and gem quality green tourmaline.
For parliamentary elections, Tanzania is divided into constituencies. As of the 2010 elections Ludewa District had one constituency:
- Ludewa Constituency
Ludewa District is administratively divided into divisions.
- Ludewa District (Approved) at GEOnet Names Server, United States National Geospatial-Intelligence Agency
- Staff (9 March 2012). "Tanzania: State Gazettes New Regions, Districts". Daily News (Dar es Salaam, Tanzania).
- "2002 Population and Housing General Report: Iringa: Ludewa". Archived from the original on 18 March 2004.
- "Socio-Economic Profile of Iringa Region" (second ed.). The Planning Commission, Dar es Salaam, and The Regional Commissioner's Office, Iringa. May 2007. Archived from the original on 13 November 2010. (missing front cover)
- "Organisations located in Ludewa District - Tanzania". African Development Information.
- "Postcodes Njombe Region 59000". Tanzania Communications Regulatory Authority (TCRA). 2012.