MS GenWeb - Tishomingo County
- Local history and resources for genealogical researchers.
- http://www.rootsweb.com/~mstishom/

National Register of Historical Places - Tishomingo County
- Directory of historical places and cultural resources for the county. Offers historical significance, architect details, and related information.
- http://www.nationalregisterofhistoricplaces.com/MS/Tishomingo/state.html

The Political Graveyard: Tishomingo County, Miss.
- Database of political history and cemeteries, with brief biographical entries for political figures connected to the county, living and dead, from the 1700s to the present.
- http://politicalgraveyard.com/geo/MS/TS.html

Tishomingo County School District
- Information about public schools in the county.
- http://www.tishomingo.k12.ms.us/

Tishomingo Railroad Company
- Short-line rail line connecting the county's Tri-State Commerce Park (in Iuka) with the world.
- http://www.tishomingorail.com/

Tishomingo County Development Foundation
- Comrprehensive profile of the county. Includes a map, directory of tourist businesses and attractions, and information about industry, transportation facilities, education and community services, and other topics.
- http://www.tishomingo.org/