William Ward (January 1, 1837 – February 27, 1895) was an American politician from Pennsylvania who served as a Republican member of the U.S. House of Representatives from Pennsylvania's 6th congressional district from 1877 to 1883.

He learned the art of printing in the office of the Delaware County Republican in Chester, Pennsylvania.

He studied law, was admitted to the bar in August 1859 and commenced practice in Chester.

Ward was elected as a Republican to the Forty-fifth, Forty-sixth, and Forty-seventh Congresses.

He resumed the practice of his profession and his former business pursuits in Chester where he died in 1895.