Diāna Dadzīte (born 4 February 1986) is a Latvian track and field athlete competing in javelin throw. Dadzīte participated at the 2016 Summer Paralympics in Rio de Janeiro, where she was flag bearer of the Latvian team at the opening ceremony. At the F55/F56 javelin throw competition she became Paralympic champion with a new world record throw of 23.26 meters. She competed at the 2020 Summer Paralympics, in Women's javelin throw F56, winning a bronze medal, and in Women's discus throw F55, winning a silver medal.