Cognomen Ratsma (Ratsma 
) , all around the world, is a rare family name. The family name Ratsma is habitual in Netherlands, where it is a rare surname, the United Kingdom, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ratsma | Canada, Brazil, United Kingdom, United States, Netherlands |
| janneke ratsma Dutch writer, NL (b. 1896) |
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| vic ratsma Canadian journalist (b. 1934) |
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rosa ratsma Dutch chess player, NL (b. 1996) |
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| jeltje ratsma NL (b. 1938) |
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| midas ratsma chess player (b. 1995) |
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Mr, James, Jesse, Thijs, Nicky, Harko, Irene, Sharon, Sherry, Perdy, Boukje, Roland, Lizzie, Tijmen, Felice, Matthew, Kenneth, Jenneke, Nicolas, Pieter, Krijn, Kevin, Kelly, Ben, Rod, Rob, Wil, Mark, Piet, Rosa, Rico, Daaf, Gino, John, Joop, Nico, Hajo, Marty, Midas, Stein, Arjan, Barry, Roderick, and Danielle