Mandy Wong

Born in Hong Kong, Mandy Wong was raised in a single-parent household and graduated from Cognitio College (Kowloon). Wong is very fond of dancing and has been practising since her teenage years. She had also achieved grade 8 on the piano. She has an older sister, Cathy Wong, who was a former English language specialist at King's Glory Education Centre. Their mother is the owner of a cosmetics boutique in Wan Chai.

Wong is best friends with Myolie Wu, Nancy Wu, Paisley Wu, Elaine Yiu and Selena Lee. They had formed the friendship group “胡說八道會” and had filmed a travel show together. Another best friend of hers is Candice Chiu, whom Wong refers to as her “soul sister”. Wong is also good friends with Benjamin Yuen, Kenneth Ma, Joel Chan, Vincent Wong, Him Law, Lokyi Lai, Shaun Tam, Ali Lee, Venus Wong, Yoyo Chen and Nicholas Yuen due to collaborations in filming television dramas. She is good friends with The Exorcist's Meter co-actors Hubert Wu and Anthony Ho as well. They formed the friendship group “降魔的偷跳小隊”

Due to their common interest in long-distance running, Wong along with Benjamin Yuen, Joel Chan, Brian Tse, Jack Wu, Nancy Wu, Paisley Wu, Elaine Yiu and Selena Lee formed the group “Crazy Runner”.

Wong's boyfriend is Anthony Jim, a C-level of TSL Jewellery Ltd. They have been dating since 2012. On 5 October 2023, Wong announced their marriage via social media. “I always believed I’m a very lucky girl. I grew up in a warm and loving environment, and have always been surrounded by people who cherished me. I’m thankful for you,” wrote Wong, who also included the hashtag #WeAreMarried.