Prewett

Prewett is a surname. Notable people with the surname include:


 * Prewett family, fictional characters in J. K. Rowling's Harry Potter series
 * Gideon and Fabian Prewett, Molly Weasley's brothers
 * Frank Prewett (1893–1962), Canadian poet, who spent most of his life in the United Kingdom
 * Park Prewett Hospital, psychiatric hospital northwest of Basingstoke, England, which operated from 1917 until 1997
 * Park Prewett Hospital, psychiatric hospital northwest of Basingstoke, England, which operated from 1917 until 1997