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Throughout the world, טסטר (Tester
, טסטר
) is a rare principally masculine, but very seldom feminine given name. The forename טסטר is characteristic of Czechia, where it is a rare male name, Indonesia, where it is a very rare boy's name, and Poland. Measured by absolute frequency, it is commonest in Indonesia, the United States, and India. More prevalently, טסטר is the last name as well as the forename.
טסטר is also a name for the fictitious and mythical characters: .