Teso or TESO may refer to:
Places Têso, a Portuguese hamlet Teso District, Kenya, a defunct administrative district in the former Western Province of Kenya Teso District, Uganda, a district in Uganda now known as Teso sub-region
Language Teso language, a Nilo-Saharan language Teso-Turkana languages, a cluster of Eastern Nilotic languages
Others 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