Lapp (surname)

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

• Bernice Lapp (1917–2010), American Olympic swimmer
• Daniel Lapp, Canadian folk musician
• Henry Lapp (1862–1904), American carpenter-cabinetmaker
• Jack Lapp (1884–1920), American professional baseball player
• Katherine Lapp, administrator of Harvard University
• Nancy Lapp (born 1930), American archaeologist and biblical scholar
• Ralph Lapp (c. 1910–2004), American physicist