Jua (주아), alternatively spelled as Jooa and Jooah, may refer to:
- People
- Jooah of Free In Sass
- JooA of HARANA
- Joo A of Hi-L
- Jua of Winsome
- Lee Jua of WIZ N
- JooA, former member of DELUXE
- Jua, former member of Double-u(W)
- Lee Jua, former member of luvchu
- Juah, former member of Pink Bling
- JuA, former member of Pocket Girls
- Jooah, former member of S2
- JooA, former member of SKarf