Arabella Ng Caroline Yili (Chinese: ???; Jyutping: Ng4 Jat1lei5; Cantonese pronunciation: [??? j?´t? le?i]; born 8 October 2001 in Hong Kong) is an alpine skier and the sole athlete who competed for Hong Kong at the 2018 Winter Olympics.
Ng is the niece of Fenella Ng, a Hong Kong swimmer and rower who competed at the 1984 and the 1988 Summer Olympics, as well as a rower at the 2000 Summer Olympics.
Her uncle, Michael Tse, is a rower who competed for Hong Kong at the 1996 Summer Olympics in Atlanta.
Her aunt and uncle are also active on various sporting committees, including the Hong Kong Triathlon Association.