Family name Manday (Manday 
) , in the world, is quite a rare last name. The last name Manday is habitual in Philippines, where it is a rare surname, Tanzania, and Indonesia. Not in comparison with a country's population, it most frequently occurs in Indonesia, Philippines, and Nigeria. Much less frequently, Manday is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Manday | Indonesia, Philippines, Nigeria, Tanzania, India |
| darío josé guitart manday Cuban biologist, CU (b. 1923) |
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| rocío serrano manday Spanish association football player, ES (b. 1991) |
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| jeff manday Filipino basketball player (b. 1995) |
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