Yosef Hayim (1 September 1835 – 30 August 1909) (Iraqi Hebrew: Yoseph Ḥayyim; Hebrew: יוסף חיים מבגדאד) was a leading Baghdadi hakham (Sephardi rabbi), authority on halakha (Jewish law), and Master Kabbalist. He is best known as author of the work on Halakha Ben Ish Ḥai (בן איש חי) ("Son of Man (who) Lives"), a collection of the laws of everyday life interspersed with mystical insights and customs, addressed to the masses and arranged by the weekly Torah portion.