Ignatyev, Ignatiev, or Ignatieff (; masculine) or Ignatyeva (; feminine) is a Russian surname derived from the name Ignatius, in Russian, Ignatiy/Ignaty. In the Imperial Russia the Ignatievs noble family was established sometimes in the 17th century as a cadet branch of the Pleshchevs family from Chernihiv (Czernihów). Along with Pleshchevs, the Ignatievs family takes its roots from a Muscovite boyar Theodore Biakont who emigrated from Chernihiv to Moscow sometime in the 14th century, see Alexius, Metropolitan of Kiev.

Ihnatyev and Ihnatiev is a transliteration of the name from Belarusian and Ukrainian languages. For more information, see Ge (Cyrillic).

Notable people with the surname include:

Aleksandr Ignatyev (born 1971), Russian football player Alexsandr Ignatyev (1912–1998), Russian sculptor Alexandra Nikolaevna Ignatieff (born 1939), Franco-Russian countess and Princess of San Stefano Alexey Ignatyev (1877–1954), Russian count, statesman, and writer Andrey Alexandrovich Ignatiev (1900–1973), Soviet army officer and Hero of the Soviet Union Andrey Nikolayevich Ignatyev (1921–2012), Soviet army officer and Hero of the Soviet Union Ardalion Ignatyev (1930–1998), Soviet athlete Boris Ignatyev (1940–2026), Russian football manager and player Gavriil Ignatyev (1768–1852), Russian infantry general George Ignatieff (1913–1989), Canadian diplomat and recipient Pearson Medal of Peace (son of Pavel Ignatyev) Grigory Ignatyev (1846–1898), Russian military communications engineer and inventor Michael Ignatieff (born 1947), Canadian politician, academic and broadcaster (son of George Ignatieff) Mikhail Ignatyev (disambiguation), several people Nikolay Pavlovich Ignatyev (1832–1908), Russian statesman and diplomat Nikolay Ignatyev (pilot) (1917–1994), Soviet aircraft pilot and Hero of the Soviet Union Noel Ignatiev, history professor at the Massachusetts College of Art Pavel Ignatieff (1870–1945), Russian count and minister of education (son of Nikolay Pavlovich Ignatyev) Pavel Ignatyev (1973), Russian sculptor Semyon Ignatyev (1904–1983), head of the Soviet secret police Sergey Ignatyev (disambiguation), several people Countess Sophia Ignatieva, Russian countess Varnava Ignatyev (1867–1927), Russian/Soviet scientist in the field of children's and teenage hygiene Vitaly Ignatiev (born 1980), foreign minister and diplomat of Moldova's unrecognized breakaway region of Transnistria Vladislav Ignatyev (born 1987), Russian football player currently playing for Lokomotiv Vladyslav Ihnatyev (born 1997), Ukrainian football player

See also Ignateva Cave, a limestone cave in the Ural mountains of Russia Ignatyeva (rural locality), a rural locality (a village) in Kurgan Oblast, Russia