HATt

Hatt is a term that can refer to several unrelated uses in English and other contexts. In English-language usage, it most commonly appears as a misspelling or typographical variation of hat, the head covering worn for protection, warmth, or fashion. The standard form is hat. The form hatt occurs in informal writing, typographical errors, or as a marker in dialectal writing and historical texts.

Hatt is also a surname of English origin. It is found in genealogical records and may derive from an occupational nickname relating to wearing hats or from a toponymic source. Surname spellings can vary, including Hatt, Hatte, Hat, or Hatten in related families.

In other contexts, HATT or hatt may function as an acronym or code in specialized fields, organizations, or place names, depending on the jurisdiction. Without context, the acronym is ambiguous and carries no single universal meaning.

As a proper noun, some places, groups, or fictional elements might be named Hatt, but there is no widely recognized place or entity universally associated with the name. See also hat, hatter, Hatten, Hatta for related terms.