William Sui-tak Louey (Chinese: 雷瑞德; 7 July 1909 – 9 December 1962) was a Hong Kong businessman and the founder and Chief Manager of the Kowloon Motor Bus Company.

He returned to China when he was young and was educated at the Holy Trinity College in Guangzhou when his father and his uncle founded the Kowloon Motor Bus Company (KMB) in Hong Kong in 1922.

In early December 1962 when the workers took industrial action, Louey announced to raise the wage of the bus drivers.

He defeated Chan Shu-woon, Urban Councillor and the coach of the China national football team who was supported by Eastern Athletic Association, by 43 votes to 9 on 6 October 1956.

[5] Louey died suddenly from acute heart attack at 10:30 p.m. on 9 December 1962 in his residence at No.

[6] The funeral service was held at the All Saints' Cathedral, Kowloon on 12 December and was attended by many government officials and KMB staff.