Family name Holslag (Holslag 
) , in all the world, is a rare cognomen. The last name Holslag is habitual in Netherlands, where it is a rare surname, Australia, where it is a very rare surname, and Spain. Measured by absolute frequency, it is the most numerous in Netherlands, the United States, and Australia.
| VARIANT | COUNTRY |
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| Holslag | Spain, United States, Netherlands, Australia |
| edward j. holslag American painter (b. 1870) |
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| andré holslag (1904–1967), NL (b. 1904) |
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| jane holslag American theologian, US (b. 1948) |
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| joost a h holslag researcher |
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| jonathan holslag Belgian academic, BE (b. 1981) |
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Tom, Jamie, Joost, Jesse, Trees, Femke, Marcel, Marley, Melvin, Raymon, Jacob, Ronald, Jurgen, Thomas, Nikita, Harrie, Hannah, Cynthia, Richard, Garrett, Lisette, Rowena, Tonneke, Lucas, Diana, Ton, Anja, Cees, Bill, Rina, Gina, Gijs, Lisa, Jane, Diane, Jake, Nick, Eddy, Irmo, Sarah, Scott, Alice, Aaron, Berry, Peter, John, and Vincent