Reena Pärnat (born 1 December 1993 in Pärnu, Estonia) is an Estonian archer who competed at the 2012 Summer Olympics. Pärnat scored 621 points from 720 in the preliminary ranking round of the women's individual event, which determined the seedings for the subsequent elimination rounds, placing 52nd of the 64 competitors. She was eliminated in the first round of the competition by Mexico's Alejandra Valencia.