John Westbrook (Pennsylvania politician)

John Westbrook (born circa 1789, died after 1860) was an American politician from Pennsylvania. He served as a Democratic member of the Pennsylvania House of Representatives for Pike County from 1821 to 1823, and again from 1831 to 1832. He also served in the Pennsylvania State Senate for the 10th district from 1833 to 1836.

Westbrook was involved in local government as well, holding positions within Pike County. While information about his early life, occupation, and activities after his political career is limited, records indicate his involvement in the political landscape of early 19th-century Pennsylvania. His presence in both the House and Senate underscores his contribution to the legislative process during a period of significant growth and change within the Commonwealth.