Ismailov, İsmayılov or Ismaylov (Russian: Исмаилов) is a masculine surname common in the former Soviet countries, its feminine counterpart is Ismailova, İsmayılova or Ismaylova. It may refer to:
Leila Ismailava (born 1989), Belarusian journalist
Abduhashim Ismailov, Kurdish musician from Uzbekistan
Abdulkhakim Ismailov (1916–2010), Soviet soldier
Adam Ismailov (born 1976), Russian football player
Ali Ismayilov (born 1974), Azerbaijani boxer
Aliyar Ismailov (born 1976), Russian football player
Anzur Ismailov (born 1985), Uzbekistani football player
Eduard Ismailov (born 1990), Ukrainian football defender
Hamid Ismailov (born 1954), Uzbekistani journalist
Jamshed Ismailov (born 1987), Tajikistani football player
Ruslan Ismailov (sport shooter) (born 1986), Kyrgyzstani sport shooter
Ruslan Ismailov (swimmer) (born 1989), Kyrgyzstani swimmer
Tagi Ismailov (1887–1958), Azerbaijani military commander
Telman Ismailov (born 1956), Azerbaijani-born Russian-Turkish entrepreneur and businessman
Temur Ismailov (born 1995), Uzbekistani tennis player
Timur Ismailov (born 1991), Russian football player
Tolekan Ismailova, Kyrgyz human rights defender
Elchin Ismayilov (born 1982), Azerbaijani judoka
Daniyar Ismayilov (born 1992), Turkmenistani-Turkish weightlifter
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