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Cognomen שאנן (Shannen , שאנן ) , in the entire world, is a rare last name. The cognomen שאנן is characteristic of Israel, where it is quite a rare surname, Singapore, where it is a rare surname, and Ireland. Measured by absolute frequency, it is the most numerous in Indonesia, Israel, and Australia. More prevalently, שאנן is the forename as well as the last name.