山口茜
Ruselli Hartawan (born 27 December 1997) is an Indonesian badminton player. She is the member of Jaya Raya Jakarta badminton club, and selected to join the national team in 2013. She competed in the girls' singles badminton at the 2014 Summer Youth Olympics in Nanjing, China, but she was stopped in the quarter-finals after being defeated by Akane Yamaguchi of Japan. In 2017, she won the women's singles title at the national championships in Pangkal Pinang.