Lennox \l(en)-nox\ as a boy's name is pronounced LEN-iks. It is of Scottish and Gaelic origin, and the meaning of Lennox is "with many elm trees". Name of an influential aristocratic landowning family in Scotland in the 16th century. Lennox, a Scottish nobleman, appears in Shakespeare's "Macbeth".
Lennox has 1 variant form: Lenox.