Hatt

Hatt may refer to:

Places

 * Hatt, Cornwall, England
 * Hatt Building, on the National Register of Historic Places listings in Napa County, California

Other uses

 * Hatt (surname)
 * Arabic خط (ḫaṭṭ: "line, writing"), everyday Arabic handwriting or script in contrast to style and system requirements of calligraphy Cf. ar:خط (توضيح) (Hatt, disambiguation)
 * Hijazi script (خط حجازي ḫaṭṭ ḥiǧāzī).
 * Hatt-i humayun, edict of the Ottoman government (e.g. Hatt-ı Hümayun of 1856)
 * Help authoring tools and Techniques, a software program used to create help documents
 * The Hatt family, fictional characters including Sir Topham Hatt, The Fat Controller, the head of the railway in The Railway Series of books written by Rev W. V. Awdry