Dana Lynn Rettke (/ˈrɛtki/ RET-kee; born January 21, 1999)[2] is an American professional volleyball player for Eczacıbaşı Dynavit in the Turkish Sultanlar Ligi.

[4] As a sophomore in October 2014, Rettke verbally committed to the Wisconsin Badgers women's volleyball team.

A 203 cm (6 ft 8 in) middle blocker for the Wisconsin Badgers, she was the tallest member of the team when she joined.

[4] Starting in all 32 matches of 2017, Rettke played in 113 sets and averaged 4.39 points, 3.42 kills, 1.37 blocks, and 0.22 service aces.

[9] In June 2022, Rettke won Big Ten Female Athlete of the Year award for the second time.

[14] Following her career at Wisconsin, she signed on to play professional volleyball with A1 Italian club team, Vero Volley Milano in 2022.