Ivanov
The taxon authority Ivanov, Iwanoff, Iwanow or Иванов may refer to:
- Alexander Olegovich Ivanov (born 1959, A.O.Ivanov), Russian (Soviet) palaeontologist
- Alexander Pavlovich Ivanov (1903–1982, A.P.Ivanov), Russian (Soviet) botanist
- Alexey Pavlovich Ivanov (1865–1933, Al.P.Ivanov), Russian (Soviet) palaeontologist
- Anatolij Nikolaevich Ivanov (1910–1991, A.N.Ivanov), Russian (Soviet) palaeontologist
- Dimitri Lumbergovitsch Ivanov (1955–2022, D.L.Ivanov), Russian (Soviet) zoologist and malacologist
- Dimiter Ivanov, Bulgarian palaeobotanist
- Gennadii Ivanovich Ivanov (born 1948, G.I.Ivanov), Russian (Soviet) botanist, and plant breeder
- Kaloyan Ivanov, U.S. entomologist
- Kirill Svyatoslavovich Ivanov (born 1955, K.S.Ivanov), Russian (Soviet) palaeontologist
- Nikolai Rodionovich Ivanov (1902–1978, N.R.Ivanov), Russian (Soviet) botanist
- Sergey P. Ivanov, Russian entomologist
- Sergei Nikolaevich Ivanov, Russian entomologist
- Vasilij Evmen'jevich Ivanov (1880–?, V.E.Ivanov), Russian botanist
- Verónica A. Ivanov, ichthyologist
- Vitalij Konstantinovich Ivanov (born 1937, V.K.Ivanov), Russian (Soviet) palaeontologist
- Vladimir Dmitrievich Ivanov, Russian entomologist
- Konstantin Semenovich Iwanoff (1879–1906, K.S.Iwanoff), Russian botanist, and mycologist
- Leonid Alexandrovich Iwanoff (1871–1962, Iwanoff), Russian (Soviet) botanist, and phycologist