Jenny Margareta Kallur is a Swedish former track and field athlete who competed in hurdling and sprinting events. Her twin sister Susanna Kallur, who is four minutes younger, is also a 100 m hurdler. She was coached by Torbjörn Eriksson and Anders Henriksson.

Susanna Elisabeth "Sanna" Kallur is a Swedish former athlete competing mainly in sprint hurdles. She has won several international medals, including the gold medal in the 100 m hurdles at the 2006 European Athletics Championships. Kallur previously held the world indoor record for the 60 metres hurdles for 16 years (2008-2024).