William Mills (19 March 1875 – 8 April 1962) was a New Zealand cricketer. He played first-class cricket for Auckland and Taranaki between 1894 and 1904.
On his first-class debut Mills took 6 for 35 and 6 for 55 for Taranaki against Fiji in the last match of Fiji's tour of New Zealand in 1894âÂÂ95.