Kristjan Kais (born 3 March 1976) is a retired Estonian beach volleyball player. With teammate Rivo Vesik, he represented Estonia in beach volleyball at the 2008 Summer Olympics in Beijing, China.
Kristjan Kais (* 3. März 1976 in Paikuse) ist ein ehemaliger estnischer Beachvolleyballspieler. (de)
Kristjan Kais (born 3 March 1976) is a retired Estonian beach volleyball player. With teammate Rivo Vesik, he represented Estonia in beach volleyball at the 2008 Summer Olympics in Beijing, China. (en)
Kristjan Kais (Paikuse, 3 de março de 1976) é um jogador de vôlei de praia estónio que disputou os Jogos Olímpicos de Verão de 2008 na China. (pt)