William Botsford Troop (April 13, 1834 – 1904) was a merchant, ship owner and political figure in Nova Scotia.
He represented Annapolis County in the Nova Scotia House of Assembly from 1874 to 1882 as a Conservative member.
He was born in Granville, Nova Scotia, the son of Israel Troop and a descendant of Amos Botsford.
In 1872, Troop married Elizabeth Ann Magee.
He was named to the province's Executive Council in 1878.