This is a list of noted  natural scientists from Romania.

Agronomists
 Gheorghe Cipăianu - member of Romania's parliament; death in 1957
 Dimitrie Comșa. Of the writers of the Transylvanian Memorandum (en), he got the second-longest prison sentence; honorary member of the  Romanian Academy; death in 1931 
 Călin Georgescu
 Ion Ionescu de la Brad
 Gheorghe Ionescu-Sisești
 Ioan Kalinderu
 Alexandru Moisuc
 Păun Otiman
 Paul Pîrșan
 Cosmin Alin Popescu
 Constantin Sandu-Aldea
 Nicolae N. Săulescu
 Valeriu Tabără
 Zoe Țapu - she created an original variety of durum wheat, adapted to the climates such as in Central and Eastern Europe. She was described as a pioneer of durum wheat breeding in Romania.

Astronomers

 Victor Anestin - he was on of the earliest to write about the possibility of using the atomic power for war purposes; his description was in a novel (of his) published in February 2014 (in the same year as H. G. Wells' The World Set Free).
 Noah Brosch
 Nicolae Culianu
 Nicolae Donici
 Mario Livio

Biologists
 Réka Albert - she is noted for the Barabási–Albert model (en) and research into scale-free networks  (en) and Boolean modeling of biological systems.
 Ana Aslan
 George Assaky - anatomist
 Petre Mihai Bănărescu
 Dimitrie Brândză
 Paul Bujor - anatomist
 Nicolae Cajal
 Ioan Cantacuzino
 Dimitrie Gerota - anatomist
 Victor Gomoiu - 
 Nicolae Leon
 Constantin Levaditi
 Nicolae Minovici - anatomist
 Florentina Mosora
 Teodor T. Nalbant
 George Emil Palade
 Grigore T. Popa - anatomist
 Emil Racoviță
 Francisc Rainer - anatomist
 Henric Sanielevici
 Ion Tănăsescu (surgeon) - anatomist
 Ion Țuculescu

Biochemists
 Mihail Șerban (biochemist)
 Sava Dumitrescu

Botanists
 Aaron Aaronsohn
 Alexandru Borza
 Dimitrie Brândză
 Anastasie Fătu
 Franz Friedrich Fronius
 Dimitrie Grecescu
 Wilhelm Knechtel
 Erasmus Julius Nyárády
 Florian Porcius
 Alice Săvulescu
 Traian Săvulescu
 Emanoil C. Teodorescu
 Mihail Vlădescu

Microbiologists

 Victor Babeș
 Ioan Cantacuzino
 Toma Ciorbă
 Mihai Ciucă
 Constantin Ionescu-Mihăești
 Constantin Levaditi
 Francisc Rainer
 Alexandru Slătineanu

Paleontologists
 Sava Athanasiu
 Grigore Cobălcescu
 Gheorghe Macovei
 Ion Th. Simionescu
 Grigoriu Ștefănescu

Physiologists
 George Assaky
 Paul Bujor
 Dimitrie Călugăreanu
 Anastasie Fătu
 Nicolae Paulescu
 Francisc Rainer

Zoologists

 Grigore Antipa
 Ioan Borcea - entomologists
 Eugen Botezat
 Paul Bujor
 Dimitrie Călugăreanu
 Aristide Caradja - entomologist
 Anastasie Fătu
 Constantin Kirițescu
 Dimitrie Voinov

Chemists

 Ecaterina Andronescu - chemical engineer
 Ion Atanasiu
 Emanoil Bacaloglu
 Alexandru Balaban
 Petru Bogdan
 Emilian Bratu - chemical engineer
 Constantin Cândea
 Traian V. Chirilă
 Eugen Chirnoagă
 Neculai Costăchescu
 Lazăr Edeleanu
 Corneliu E. Giurgea
 Dan Giușcă
 Ionel Haiduc
 Constantin Istrati
 Ștefan Micle
 Ștefan Minovici
 Alexandru Mironescu
 Ilie G. Murgulescu - physical chemist
 Costin Nenițescu
 Petru Poni
 Dan Ioan Popescu - chemical engineer
 Raluca Ripan
 Alfons Oscar Saligny
 Gheorghe Spacu
 Henric Streitman - physical chemist
 Corneliu Șumuleanu
 Ion Tănăsescu (chemist)
 Nicolae Teclu
 Attila Verestóy - chemical engineer
 Maria Zaharescu

Earth scientists
 Ștefan Hepites - meteorologists

Geologists 

 Sava Athanasiu
 Marcian Bleahu
 Grigore Cobălcescu
 Emil Constantinescu
 Liviu Constantinescu - geophysicist
 Nicolae Frolov
 Carmen Gaina - geophysicist
 Liviu Giosan
 Dan Giușcă
 Gheorghe Macovei
 Ludovic Mrazek
 Petru Poni
 Grigoriu Ștefănescu - mineralogists
 Emil Racoviță
 Ion Th. Simionescu
 Grigoriu Ștefănescu
 Sabba S. Ștefănescu - geophysicist
 Dorel Zugrăvescu - geophysicist

Physicists

 Ion I. Agârbiceanu
 Réka Albert (see above)
 Emanoil Bacaloglu
 Albert-László Barabási
 Valentin Ceaușescu
 Liviu Constantinescu - geophysicist
 Carmen Gaina - geophysicist
 Mihai Gavrilă - nuclear physicist
 Radu Grigorovici
 Spiru Haret
 Ștefan Hepites
 Horia Hulubei - nuclear physicist
 Dragomir Hurmuzescu
 Theodor V. Ionescu
 Augustin Maior
 Ștefania Mărăcineanu
 Alexandru Marin
 Victor Mercea - nuclear physicist
 Ștefan Micle
 Constantin Miculescu
 Florentina Mosora
 Ilie G. Murgulescu - physical chemist
 Horațiu Năstase
 Basarab Nicolescu
 Dorin N. Poenaru - nuclear physicist
 Ioan-Iovitz Popescu
 Sandu Popescu
 Alexandru Proca - nuclear physicist
 Ștefan Procopiu
 Eduard Prugovečki
 Sabba S. Ștefănescu - geophysicist
 Henric Streitman - physical chemist
 Șerban Țițeica
 Nicolae Vasilescu-Karpen
 Dorel Zugrăvescu - geophysicist

Naturalists

 Dimitrie Călugăreanu
 Daniil Popovici-Barcianu

Related pages
List of Romanian mathematicians

References

Romanian

Romania-related lists