Tesselaar is a surname. Notable people with this surname include:
Brian-Paul Tesselaar (born 1989), Anguillian-Dutch footballer Jan-Willem Tesselaar (born 1997), Anguillian-Dutch footballer Jeff Tesselaar (born 2003), Dutch multi-event athlete Jeroen Tesselaar (born 1989), Dutch footballer
See also Tesselaar Tulip Festival, a flower festival in Victoria, Australia Tesselaarsdal, settlement in Western Cape, South Africa