Yuki Helen Okinaga Hayakawa Llewellyn (April 22, 1939 – March 8, 2020) was an American child survivor of the Japanese internment process during World War II.

In adulthood, Llewellyn was assistant dean of students at the University of Illinois, and frequently spoke on her childhood experience of displacement and incarceration.

[1] Llewellyn was still at Illinois in 2005, when the school opened its Asian American Cultural Center, and she was always willing to speak to students about her childhood experiences with displacement and incarceration.

[3] Also in 2005, she made her first return visit to Manzanar since 1945, with photographer Paul Kitagaki Jr.[10] Yuki Okinaga Hayakawa married Don Alvin Llewellyn.

[3][4] Her photograph is displayed prominently at the Manzanar National Historic Site,[11] and has appeared on book covers and museum exhibits over the years.