Sonija Kwok Sin-nei (Chinese: 郭羨妮, born 22 July 1974) is a Hongkonger actress, model and beauty pageant titleholder who worked with TVB from 1999 to 2015.

Coincidentally, all the winners of the Miss Hong Kong pageant spanning 1997 to 2000 are from Vancouver, British Columbia, Canada.

In February 2000, she represented Hong Kong at the 2000 Miss Chinese International pageant in Las Vegas, Nevada.

Kwok was previously romantically linked to TVB stars Deric Wan and Steven Ma.

On 24 March 2009, Kwok was attacked by her maid, who bit her arm, pulled her hair and held a knife to her neck.