William Lea

William Lea may refer to:
 * William Lea (businessman) (1805–1876), American businessman, responsible for the development of the Brandywine Mills
 * William E. Lea (1907–1970), British philatelist
 * William C. Lea (1833–1911), farmer and political figure on Prince Edward Island
 * William Lea (priest) (1820–1889), English Anglican priest
 * William N'Jo Léa (born 1962), French footballer