Pollux \p(ol)-lux\ as a boy's name is of Greek origin, and the meaning of Pollux is "crown". One of the Heavenly Twins, the constellation also known as Gemini. The other is Castor.

For more information, see also the related name Pollock.

A baby name that sounds like Pollux is Pelagius. Other similar baby names are Allex, Callyx, Paulus and Pollack.