William McConnell

William McConnell may refer to:

• William McConnell (illustrator) (1833–1867), English illustrator and cartoonist
• William W. McConnell (1834–1895), American politician from Pennsylvania
• William J. McConnell (1839–1925), US senator from Idaho
• William B. McConnell (1849–1931), justice of the Dakota Territorial Supreme Court
• William McConnell (footballer) (1889–1966), Irish sportsman
• William McConnell (trade unionist) (died 1928), British trade unionist and political activist