Plehn

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

• Carl C. Plehn (1867–1945), American economist
• Elsbeth Plehn (1922–2001), German operatic contralto and voice teacher
• Marianne Plehn (1863–1946), German zoologist
• Michael T. Plehn (born 1965), lieutenant general in the United States Air Force