Olga Kaidantzi (; born 17 July 1979) is a Greek sprinter who specialized in 200 metres competitions.
She reached the semi-finals in Athletics at the 2004 Summer Olympics – Women's 200 metres, and was a member of the Greek 4×100 metres relay team which finished sixth in the 2001 World Championships in Athletics along with Georgia Kokloni, Frosso Patsou, and Ekaterini Thanou. She participated in the 2002 European Athletics Championships and made it through the semi-finals.
After a long break (2005–2008) due to various serious injuries, Kaidantzi came back in 2009 to become the best Greek sprinter in the 200 metre event, winning the title of Greek outdoor champion with a time of 23.93 seconds. She is a five-time Greek champion in the 200 metre race (2001, 2002, 2003, 2004 & 2009). Her personal best time since 12 June 2004 is 22.88 seconds. This places her second in the list of all-time Greek performers behind Ekaterini Koffa.
Honours
Personal information
Place of birth: Athina, Attiki, Greece
Height: 5'8" (172 cm) Weight: 128 lbs (58 kg)