Baek Ha-na is a South Korean badminton player who attended Cheongsong Girls' High School. She started playing badminton in 2009 after being recommended by her brother, and was selected to join the national team in 2017. She was a gold medalist in the girls' doubles event at the 2017 Asian Junior Championships and the World Junior Championships with Lee Yu-lim. Their first major result in a senior event came when she and Lee reached the final at the 2017 Macau Open, but lost to Chinese pair Huang Yaqiong and Yu Xiaohan with the score 10–21, 17–21. Baek and Lee So-hee competed for South Korea at the 2024 Summer Olympics in the women's doubles event.