Jang Su-jeong (Korean: ??? hanja: ???; born 13 March 1995) is a South Korean tennis player.
Jang has won seven singles and seven doubles titles on the ITF Women's Circuit.
On 12 June 2017, she reached her career-high singles ranking of world No.
120.
She peaked at No.
218 in the doubles rankings on 7 March 2016.
Her most successful performance to date came at the 2013 KDB Korea Open, where she reached the quarterfinals with a three-set win over Ons Jabeur of Tunisia.