William Alexander Pickering CMG (9 June 1840 – 26 January 1907) was the first Protector appointed on 3 May 1877 by the British government to administer the Chinese Protectorate in colonial Singapore. He was the first European official in Singapore who could speak fluent Mandarin and Hokkien and gained the trust of many of the Singapore Chinese. His efforts went a long way towards controlling the problems posed by the secret societies then. in Singapore's Chinatown is named after him.