Teso people, an ethnic group in eastern Uganda and western Kenya
Teso (archeological site), a mound associated with Indigenous peoples in Brazil
Teso dos Bichos (archeological site), a teso on the Brazilian island Marajó
Fruko y sus Tesos, a salsa group from Colombia
Royal TESO, a private ferry company operating the only public boat service to and from the Dutch Wadden island of Texel
TESO (Austrian hacker group), a hacker group
Teso Dos Bichos, the eighteenth episode of the third season of the American television drama, The X-Files
Tamil Eelam Supporters Organization (TESO)
The Elder Scrolls Online, a massively multiplayer online role-playing game
Western Institute of Technology and Higher Education (in Spanish: ITESO, Universidad Jesuita de Guadalajara (Instituto Tecnológico y de Estudios Superiores de Occidente), a Jesuit university in the Western Mexican state of Jalisco, located in the municipality of Tlaquepaque in the Guadalajara Metropolitan Area, Mexico
