Infantilism may refer to:
Infantilism (physiological disorder), obsolete use of the term for some developmental disorders and disabilities Infantile speech, also known as infantilism, a speech disorder in which early speech stages persist beyond the age they are normally expected to fade Paraphilic infantilism, a paraphilia involving the desire to wear diapers and/or fantasies of a return to infancy Psychosexual infantilism, a concept in psychosexual development introduced by Sigmund Freud Sexual infantilism, a synonym for delayed puberty
See also