Ignatov, Ignatow (Russian: Игнатов), or Ignatova (feminine; Игнатова), is a popular Russian surname which may refer to:
- Amy Ignatow, (b. 1977), American cartoonist
- Andrey Ignatov (b. 1968), Russian long jumper
- David Ignatow (1914–1997), American poet
- Evgeny Ignatov (b. 1979), Russian flatwater canoer
- Evgeni Ignatov (athlete) (b. 1959), Bulgarian long-distance runner
- Evgeni Ignatov (footballer) (b. 1988), Bulgarian football forward
- Gabe Ignatow (b. 1975), American sociologist
- Mel Ignatow, American murderer
- Sergej Ignatov (b. 1950), Russian juggler
- Sergei Ignatov (b. 1960), Bulgarian politician and historian
- Soviet politician
- Ignati Novikov, a Soviet First Deputy
- Nikolay Ignatov, a Soviet Second Secretary