Posthuma is a Dutch surname that may refer to:
- Carst Posthuma (1868–1939), Dutch cricket player
- Danielle Posthuma (born 1972), Dutch neuroscientist
- Douwe Bob Posthuma (born 1992), Dutch singer-songwriter, known simply as Douwe Bob
- Folkert Posthuma (1874–1943), Dutch politician
- Jan Posthuma (born 1963), Dutch volleyball player
- Joost Posthuma (born 1981), Dutch road bicycle racer
This page lists people with the surname Posthuma.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.