A Sea of Her Own (Korean: TV소설 그 여자의 바다; RR: TVsoseol Geu Yeojaui Bada; lit.

TV Novel: Sea of the Woman) is a 2017 South Korea morning soap opera starring Oh Seung-ah, Kim Joo-yong [ko], Han Yoo-yi [ko] and Choi Sung-jae.

It aired on KBS2 from February 27, 2017 on Mondays to Fridays at 09:00 for 120 episodes.

It is the 42nd TV Novel series (11th in 2010s) of KBS.

Set in the 1960s and 1970s, Yoon Soo In is consistently a top-ranked student in school, but due to her family's struggling financial circumstances, she begins to work at a factory instead of going to college.