William Leitch or Will Leitch or Bill Leitch may refer to:
William Leitch (footballer) (1863–1943), Tasmanian footballer, businessman and sports administrator William Leitch (scientist) (1814-1864), Scottish astronomer and rocket visionary William Leighton Leitch (1804–1883), Scottish landscape watercolour painter and illustrator William T. Leitch (1808–1885), mayor of Madison, Wisconsin, 1862–1865 Will Leitch founding editor of the Gawker Media sports blog Deadspin Will Leitch (Northern Irish journalist) Bill Leitch, Canadian curler List of teams on the 2011–12 World Curling Tour