For the French Revolution faction, see Jacobin. For the mathematical term, see Jacobian. See also Jacobite.

Jacobean refers to various aspects of the period English history that coincides with the reign of James I (1603–1625):

• Jacobean era
• Jacobean architecture
• Jacobean literature

It is also used to refer to other things relating to the name James, notably the biblical Epistle of James.

Jacobean derives from the New Latin Jacobaeus, cognate with James and Jacob.