Diergaardt may refer to:
Floris Diergaardt (born 1980), Namibian football striker Hans Diergaardt (1927–1998), Namibian politician Johan Diergaardt, Namibian rugby union coach Reggie Diergaardt (born 1957), Namibian politician and former member of the National Assembly of Namibia Theo Diergaardt (1969/70–2020), Namibian politician and Member of Parliament Diergaarde Blijdorp, a zoo in Rotterdam, Netherlands