Zainab is an Arabic name of uncertain origin, usually explained as "fragrant plant" or as "father's adornment", from zayn, beauty, and ab, father. It was the name of a daughter of the Prophet Muhammad and of his granddaughter, which makes it one of the most beloved girls' names in the Muslim world. Zainab has been in the US top 1000 since 2013 and reached number 810 in 2025, its best rank so far.