Kira Katarina Walkenhorst (born 18 November 1990) is a German beach volleyball player, playing as a blocker. She has an older brother Alexander Walkenhorst who is a professional beach volleyball player and a younger sister Pia Walkenhorst who also plays beach volleyball.
Kira won the gold medal at the 2016 Summer Olympics in Rio de Janeiro together with her teammate Laura Ludwig. She also won bronze medals at the 2013 and 2014 European Beach Volleyball Championships and gold medals at the 2015 and 2016 Beach ECH alongside her teammate Laura Ludwig.
Kira Walkenhorst participated in the 2016 summer Olympics in Rio together with her teammate Laura Ludwig. They won the Gold medal in the final match against the Brazilian duo Ágatha Bednarczuk and Bárbara Seixas in straight sets of 21-18 21-14 following their victory against the Brazilian duo Larissa França and Talita Antunes in the semi-finals.