Tīna Graudiņa (born 9 March 1998 in Riga, Latvia) is a Latvian beach volleyball player. She represented Latvia at the 2020 Summer Olympics. Graudiņa and her partner Anastasija Kravčenoka were the first Latvian women's pair to qualify for the Olympics. She and Kravčenoka came in fourth at the Tokyo Olympics. Tīna Graudiņa was also named the best all-around scorer at the Tokyo Olympics. Previously, Graudiņa won gold at the 2015 U18 European Championship with partner Paula Neciporuka.