Cardin is a surname. Notable people with the surname include:
Arthur Cardin (1879-1946), Canadian politicianBen Cardin (born 1943), junior Senator from MarylandJon S. Cardin (born 1970), American politician, nephew of Ben CardinLouis-Pierre-Paul Cardin (1840-1917), Canadian politicianLucien Cardin (1919-1988), Canadian lawyer, judge and politicianMeyer Cardin (1907-2005), American judge, father of Ben CardinPierre Cardin (born 1922), noted French fashion designerSerge Cardin (born 1950), Canadian former Member of Parliament