Natalie Dianová (Czech pronunciation: [ˈnataːlɪjɛ ˈdɪjanovaː]; born 1 January 1989 in Valašské Meziříčí) is a Czech modern pentathlete.

[1][2] At the 2012 Summer Olympics, she competed in the women's competition, finishing in 22nd place.

[3] On 17 June 2023, she married Jan Železný Jr.

They share 2 children: Sara and Jan Železný III.

This biographical article related to modern pentathlon in the Czech Republic is a stub.