Qahab is a village and municipality in the Babek Rayon of Nakhchivan, Azerbaijan.

Qahab may also refer to:

• Lashkar-e-Qahab, an Islamist militant group responsible for the 2006 Varanasi bombings
• Al Qahab, a village in the sub-governorate of Bariq in the province of Asir, Saudi Arabia
• Qahab, a village in Zanjanrud-e Pain Rural District, Zanjanrud District, Zanjan County, Zanjan Province, Iran
• Qahab-e Shomali Rural District, a rural district (dehestan) in the Central District of Isfahan County, Isfahan Province, Iran
• Qahab-e Jonubi Rural District, a rural district (dehestan) in the Central District of Isfahan County, Isfahan Province, Iran

• Ophir (ship)
• Ophir station
• Ophir, Ut
• Ophir (VIA station)
• Ophirville
• Ophis
• Ophisaurus compressus
• Ophisaurus mimicus
• Ophisaurus ventralis
• Ophis (comics)
• Ophis (disambiguation)
• Ophisma
• Ophisma albicilia
• Ophisma albocincta
• Ophisma ardosiata
• Ophisma bilineata
• Ophisma certior
• Ophisma confudens
• Ophisma contenta
• Ophisma correctata
• Ophisma crocimacula
• Ophisma cuprizonea
• Ophisma demta
• Ophisma detrahens
• Ophisma dimidiata