Family name Diergaardt (Diergaardt 
) , all around the world, is quite a common cognomen. The cognomen Diergaardt is characteristic of Sub-Saharan Africa, particularly Namibia, where it is a common surname, and South Africa, where it is quite a rare surname. Much less frequently, Diergaardt is the forename as well as the last name.
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| Diergaardt | Namibia, United States, United Kingdom, South Africa |
| hans diergaardt Namibian chief (1927-1998), NA (b. 1927) |
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| petrus diergaardt (b. 1935) |
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| reggie diergaardt Reggie Diergaardt, married to Ruth Diergaardt, had strong leadership in his time as part of Parliament, ZA (b. 1957) |
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| theo diergaardt Namibian politician, NA (b. 1969) |
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| floris diergaardt Namibian footballer, NA (b. 1980) |
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| johan diergaardt Namibian rugby union coach, NA |
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| arrasta diergaardt Namibian cricketer |
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Mr, Demi, Dean, Deon, Dawn, Gail, Gert, Gwen, Leon, Lena, Jane, Jaco, Jade, John, Jean, Juan, Theo, Nina, Noel, Esra, Eric, Hans, Ryno, Isak, Rudy, Rina, Ann, Ada, Jan, Joe, Joy, Eva, Zea, Marc, Mary, Mina, Alan, Andy, Anna, Adri, Adre, Katy, Koos, Kyle, Paul, Piet, Rene, Ruth, and Irma