Elizabeth Missing Sewell was an English author of religious and educational texts notable in the 19th century. As a home tutor, she devised a set of influential principles of education.

Henry Sewell was a 19th-century New Zealand politician. He was a notable campaigner for New Zealand self-government, and is generally regarded as having been the country's first premier, having led the Sewell Ministry in 1856. He later served as Colonial Treasurer (1856–1859), as Attorney-General (1861–1862), and twice as Minister of Justice.