William Graham, 5th Earl of Menteith

William Graham, 5th Earl of Menteith (c. 1555 – c. 1578), was a 16th-century Scottish nobleman.

This suggests that he was under the age of majority at the time of his father's death.

Even though he was not yet of age, he was known and acknowledged as the Earl of Menteith despite the crown holding the earldom.

He married Margaret Douglas and had two sons and a daughter: About ten days before his death, William Graham allegedly left a will that his son John should remain in the charge of George Buchanan, his brother in law.

[1] In February 1588 his widow Margaret Douglas, Countess of Menteith was imprisoned in her house of Kelwood.