Mei Foo Sun Chuen or simply Mei Foo is a large private housing estate in Lai Chi Kok, Kowloon, Hong Kong. Mei Foo Sun Chuen was the first large scale private housing estate in Hong Kong and at the time of completion, the 99-tower complex was considered the largest private housing development in the world, accommodating some 70,000 – 80,000 people in 13,500 apartments. It is considered to be one of the world's largest privately financed residential condominium projects.

Lai Chi Kok is a neighbourhood in Kowloon, Hong Kong, east of Kwai Chung and west of Cheung Sha Wan. Mei Foo Sun Chuen is the largest housing estate in the area and also the largest in Hong Kong with 99 blocks. Administratively, it belongs to Sham Shui Po District.