Ḫattušili (Ḫattušiliš in the inflected nominative case) was the regnal name of three Hittite kings: Hattusili I (Labarna II) Hattusili II Hattusili III
It was also the name of two Neo-Hittite kings:
Hattusili I (Kummuh) Hattusili II (Kummuh)
See also Hattush (disambiguation)