William Richardson (August 17, 1735 – June 24, 1825) was a Maryland politician and Continental Army officer.

[1] In 1776, Richardson was commissioned as a colonel of the 4th Maryland Regiment of the Flying Camp and served from July to December 1776.

[1] Richardson then served in the Maryland Assembly from 1773 to 1776, introducing the bill that formed Caroline County in 1774.

Together, they had seven children: William, Daniel Peter, Joseph, Thomas, Ann Webb, Mary and Elizabeth.

In his will of June 19, 1823, Richardson made bequests of over fifty enslaved persons to approximately thirty of his own family members.