Heinrich is a male given name or surname of Germanic origin. Equivalents in other languages are Henry (English), Hendrik (Dutch), Enrico (Italian), Henri (French), Enrique (Spanish), and Henrique (Portuguese). A pet form of Heinrich is "Heinz". The once-common Americanized nickname "Heinie" is largely obsolete. It survives in the public consciousness as a nickname of several early 20th century German-American baseball players, for example Heinie Zimmerman and Heinie Manush.

People whose given name is or was "Heinrich" may include:

• Heinrich I, first German king
• Heinrich Hoffmann, a 19th century German psychiatrist
• Heinrich Himmler, former head of the SS
• Heinrich Heine, German poet
• Heinrich Müller, former head of the Gestapo
• Heinrich Schliemann, the archeologist who discovered Troy
• Heinrich von Vietinghoff, a Generaloberst of Wehrmacht during WWII
• Ferdinand Adolf August Heinrich Graf von Zeppelin, founder of the Zeppelin airship company

People whose surname is or was "Heinrich" may include:

• Bernd Heinrich, a zoologist at the University of Vermont and an author of a number of books on zoology, ecology, and evolution
• Herbert William Heinrich
• Hartmut Heinrich (see Heinrich event)
• Stephanie Heinrich, Playboy model

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