Tudḫaliya is the name of several Hittite kings or royals. It is not clear how many kings bore that name, and numbering schemes vary from source to source.Tudḫaliya is deduced from his early placement in a later offering list as a hypothetical pre-Empire king who might have reigned in the early 17th century BC. Tudḫaliya I, ruled in the mid-15th century BC, son of Kantuzzili. Tudḫaliya II, ruled at the start of the 14th century BC, father-in-law of Arnuwanda I. Tudḫaliya III, in the early 14th century BC, the son of Arnuwanda I and predecessor of Šuppiluliuma I. Tudḫaliya the Younger, in the mid-14th century BC, the son of Tudḫaliya III, he probably never reigned. Tudḫaliya IV, ruled around 1230 BC, the son of Ḫattušili III. Tudḫaliya V possibly ruled around 1180 BC, perhaps the son of Šuppiluliuma II. Tudḫaliya, Neo-Hittite king(s) of Carchemish, fl. c. 1100 BC