Family name Delsen (Delsen 
) , worldwide, is a rare surname. The cognomen Delsen is habitual in Belgium, where it is a rare surname, Netherlands, and Australia, where it is a very rare surname. Very seldom, Delsen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Delsen | United Kingdom, Netherlands, United States, Belgium, Australia |
| leo delsen (1888-1954), BY (b. 1888) |
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| georgette van delsen BE (b. 1932) |
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| sven van delsen badminton player, BE (b. 1974) |
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| bart van delsen researcher |
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P J, Wendy, Martin, Maryam, Sherry, Sophie, Stefan, Adrien, Jochem, Jeroen, Edmond, Marysia, Matthew, Melissa, Antonie, Demelsa, Dimitri, Lawrence, Willy, Edwin, Jilis, Joost, Rob, D A, Jan, Jay, Tom, Van, Sven, Dirk, Valentin, Joey, Scott, Anouk, Petra, Peter, Roger, Larry, Jonas, Joany, Fran, and Christophe