- Iaia A.
- Ianigro Jean-Christophe
- Ian Joughin
- Ibanez C.
- Ibrahime Adodo Fifi
- Ibrahim Mahamadou Bahari
- Ibrahim Mohamed Housseini
- Idelkadi Abderrahmane
- Idelkadi Abderrahmane
- Idier Déborah
- Idžanović Martina
- Iess Luciano
- Igarashi Makoto
- Igihozo Christella
- Iglesias V
- Iglói F.
- Iinuma Yoshiteru
- Iizuka Yoshinori
- Ijaz Amna
- Ikeda Akihiko
- Ikeda Atsushi
- Iliopoulos Christelle
- Illmann Niklas
- Imber J.
- Imig A.
- Immel Françoise
- Immerzeel Walter
- Immerzeel Walter W
- Immerzeel Walter W
- Ines Otosaka
- Ingatan A.
- Ingo Sasgen
- Inoue Ryo
- Introne Douglas S.
- Ioannidis Eleftherios
- Ionescu Bogdan
- Ionica Irina
- Iovino Doroteaciro
- Iovino Doroteaciro
- Ippolito F.
- I. Probert
- Irish Victoria E.
- Irmler R.
- Irvine-Fynn Tristram D L
- Irvine-Fynn Tristram D.L.
- Irvine Mark
- Irvine Peter
- Isabella Velicogna
- Isaila C.
- Isa J.
- Isaksen Lars
- Isaksson Elisabeth
- Isch Arnaud
- Isfort D
- Ishijima Kentaro
- Ishino Sakiko
- Ishino S.
- Isono Y.
- Issaka Lona
- Issartel Julien
- Issoufou B.
- Itai Takaaki
- Itkin Polona
- Ito Yoichi
- Iturbide M.
- Ivankovic Tomislav
- Ivanov A.
- Iverson Neal R.
- Ivins Erik
- Ivins Erik R.
- Ivonin Dmitry
- Iyer Siddharth
- Izadmanesh Y.
- Izopet Jacques
- Izumo Takeshi