Daifallah () is a male Arabic given name meaning guest of God. It is also used as a surname. Notable people with the name include:
Given name Daifallah Bouramiya (born 1957), Kuwaiti politician Daifallah Masadeh (1938–2015), Jordanian lawyer and politician Ibrahim Daif Allah Neman Al Sehli (born 1965), Saudi held in Guantanamo
Surname Abdul Latif Dayfallah (1930–2019), Yemeni politician Noureddine Daifallah (born 1960), Moroccan calligrapher