William Henry Quick (15 October 1843 – 13 September 1911) was a New Zealand businessman, politician, and solicitor. He was born in Sierra Leone, and received education at Horton College in Ross, Tasmania. His father, Rev W. A. Quick, was afterwards president there. Quick became a solicitor in 1866, and then came immediately to New Zealand. He was a member of the Wellington City Council for the Lambton Ward from 1884–1887.