Kowloon City District
Oi Man Estate () is a public housing estate on No. 12 Hill, Kowloon City District, Kowloon, Hong Kong. It is the largest public housing estate in Kowloon City District. It has a total of 12 residential blocks which were completed between 1974 and 1975. It was officially opened by the Acting Governor Sir Denys Roberts on 20 November 1975.