Faithfull

Faithfull may refer to:

People
 * Emily Faithfull, founder of The Victoria Press
 * Lilian Faithfull CBE (1865-1952), an English teacher, headmistress, women's rights advocate, magistrate, social worker and humanitarian
 * Lucy Faithfull, Baroness Faithfull, a British social worker
 * Marianne Faithfull, British singer and actress
 * Valentine Faithfull (1820–1894), British clergyman and cricketer

Other
 * Faithfull Majesty (Rex Fidelissimus), a sobriquet attached to the Portuguese monarchy
 * "Faithfull", a song by Pearl Jam from their 1998 album Yield