Younger brother (disambiguation)

A younger brother is a male individual who has at least one older sibling.

Younger brother or variants may also refer to:
 * Younger Brother, British music group
 * Younger Brother, a term used by a native community of northern Colombia known as the Koguis
 * Younger Brethren, a group within the British organisation Trinity House
 * Younger Brother (film), a 1953 Spanish drama film