Iazu may refer to:

• Iazu (crater), a crater on Mars
• Iazu, a village in Cojasca Commune, Dâmboviţa County, Romania
• Iazu, a village in Scânteia Commune, Ialomiţa County, Romania
• Iazu, a village in Măgurele Commune, Prahova County, Romania

• Chukhlomskaya
• Chukhlomski
• Chukhlomski District
• Chukhlomskii
• Chukhlomskii District
• Chukhlomskii Raion
• Chukhlomski Raion
• Chukhlomskiy
• Chukhlomskiy District
• Chukhlomskiy Raion
• Chukhlomskoye
• Chukhlomsky
• Chukhlomsky District
• Chukhlomsky Raion
• Chukhor Yurd
• Chukhor Yurd, Ardabil
• Chukhor Yurd, Zanjan
• Chukhra railway station
• Chukhun
• Chukhurd Yurd
• Chukhuriwat
• Chukhur Kand
• Chukhur Kandi
• Chukhur Yurd
• Chukiang