Denisa Helceletová, formerly Rosolová, née Ščerbová (Czech pronunciation: [ˈdɛnɪsa ˈrosolovaː ˈʃtʃɛrbovaː]) (born 21 August 1986 in Karviná, Czechoslovakia) is a Czech former athlete who has won medals at the European Championships and European Indoor Championships.

Since 2001, she has been a member of AK SSK Vítkovice, an athletic club in Ostrava; her coach is Aleš Duda.

She also competed in the heptathlon at the 2006 European Championships in Gothenburg but had to pull out because of an ankle injury.

[5] In 2012, Rosolová started to compete in the 400 m hurdles and in her first season, she almost beat Zuzana Hejnová's national record.

[6] Rosolová won a bronze medal with the Czech 4x400 metres relay at the 2013 European Athletics Indoor Championships.