William B. Wright (April 16, 1806 – January 12, 1868) was an American lawyer and politician from New York.
He was born on April 16, 1806, in Newburgh, Orange County, New York, the son of Samuel Wright.
He lived at Monticello, New York, and was Surrogate of Sullivan County from 1840 to 1844.
He was a Whig member of the New York State Assembly (Sullivan Co.) in 1847.
In 1861, he was elected to the New York Court of Appeals on the Union ticket nominated by War Democrats and Republicans, and took office on January 1, 1862.