Ivashchenko, sometimes Ivaschenko (Ukrainian: Іва́щенко) is a Ukrainian surname that may refer to the following notable people:

• Aleksei Ivashchenko [ru] (born 1958), Soviet/Russian singer-songwriter, member of the duo Ivasi
• Yuri Ivashchenko (born 1961), Ukrainian astronomer
• Valeriy Ivashchenko (born 1956), Deputy Minister of Defense of Ukraine in 2007–2009
• Elena Ivashchenko (born 1984), Russian judoka
• Konstantin Ivashchenko (born 1963), Russian and Ukrainian politician and businessman, de facto mayor of Mariupol in 2022–2023
• Oleh Ivashchenko, Ukrainian general
• Oleksandr Ivashchenko (born 1985), Ukrainian football player
• Valeriy Ivashchenko (born 1956), Ukrainian military officer and deputy minister of defence

• Ivashchenko, Belgorod Oblast, a rural locality in Russia.
• All pages with titles containing Ivashchenko