Zaher () is a given name and surname of Arabic origin. Notable people with the surname include:
Given name Zaher el-Khatib (1940–2025), Lebanese politician
Surname Ahmed Zaher (born 1989), Egyptian trap shooter Hamed Shami Zaher (born 1984), Qatari footballer Hamid Zaher (born 1974), Canadian-based Afghan writer and gay rights activist Ibrahim Zaher (born 1982), Egyptian water polo player Islam Zaher (born 1972), Egyptian artist Julia Zaher, Israeli Arab businessperson, philanthropist, and schoolteacher Mike Zaher (born 1985), American footballer