Last name Martra (Martra 
) , across the world, is a rare cognomen. The family name Martra is habitual in Spain, where it is a rare surname, France, and Italy, where it is a very rare surname. Very seldom, Martra is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Martra | Spain, Italy, France, Indonesia, Thailand |
| gianmario martra researcher |
|
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| ildefons alier i martra |
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