Zaid is an Arabic name that means "growth" or "abundance", from the verb for to increase; the spelling Zayd is closer to the Arabic, while Zaid is common in Spanish-speaking countries and South Asia. The name is tied to Zayd ibn Harithah, the adopted son of the Prophet Muhammad. In the United States Zaid has been in the top 1000 since 2012, peaked at number 581 in 2018 and ranks 677 in 2025.