William Hearn may refer to:
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William Hearn (legal academic) (1826–1888), Australian university professor and politician
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William Hearn (umpire)
William Hearn (30 November 1849 – 30 January 1904) was an English first-class cricketer and Test umpire. Born in Hertfordshire in 1849, he played 41 games for the Marylebone Cricket Club
Marylebone Cricket Club (MCC) is a cricket club foun ...
(1849–1904), English cricketer and Test umpire
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William Hearn (rower)
William Hearn (born 13 May 1850 in Paisley, Scotland) was a champion professional sculler of New Zealand, who emigrated to Victoria at a young age. He came to New Zealand in 1862, and had been a resident in Wellington since January 1876, nearly ...
(1850–?), New Zealand sculler
{{hndis, Hearn, William