Krasnow is a surname. Notable people with the surname include:
Alyaksandr Krasnow (born 1998), Belarusian footballer Bob Krasnow (1934–2016), American record label executive and entrepreneur Emilie Krasnow, American politician from Vermont Gerry Krasnow, American politician from Vermont Hecky Krasnow (1910–1984), American record producer Iris Krasnow (born 1954), American author, professor, and public speaker Michael Krasnow (1969–1997), American author Peter Krasnow (1886–1979), Ukrainian-born American painter