Hinrichsen is a surname. Notable people with the surname include:
Diederich Hinrichsen (born 1939), German mathematician Eric Hinrichsen (born 1976), Canadian basketball player Henri Hinrichsen (1868–1942), German publisher Niels Hinrichsen (born 1942), Danish actor Siegmund Hinrichsen (1841–1902), German banker and politician Silke Hinrichsen (1957–2012), German politician (SSW) William H. Hinrichsen (1850–1907), American politician