Jung Eun-ji (정은지)  is a South Korean idol singer and actress. She is the main vocalist of the girl group Apink, and has acted in television dramas including Reply 1997 (2012), That Winter, the Wind Blows (2013), "Reply 1994" (2013), Trot Lovers (2014) and Sassy, Go Go (2015).

Among the other members of Apink she stand out the most because of her singing and acting skills.  She has a powerful voice. She is from busan, South Korea.

In November 2010, Jung passed the auditions to become the main singer of Apink. She had not received any professional training prior to joining Apink, and had trained for only six months with the group.

On April 21, 2011, Jung made her debut as a member of Apink on Mnet's M! Countdown with two songs, "Mollayo" and "Wishlist", from the debut extended play Seven Springs of Apink.

For the project A Cube for Season #Green, Jung Eun-ji and fellow Cube artist Yang Yo-seob, sang the duet track "Love Day." In August 2012, Jung recorded two promotional singles, "All For You" and "Our Love Like This" with Reply 1997 co-star Seo In-guk for the drama's soundtrack.