I
- Ibarra, José Tomás
- Ibbotson, Scott
- Ickes, J.
- Idem, R.
- Iftekhar, Md. Sayed
- Ignacio-Castillo, Joyce Louise
- Ignjatovic, Jagoda
- Iijima, M.
- Ikerd, John
- Ilmonen, Petteri
- Imenes, Anne
- Imgraben, Sarah
- Imhof, M
- Impson, FAC
- Imura, Masataka
- Indian, Jenny
- Indsto, James O.
- Ingham, V.
- Ingham, V. M.
- Ingleton, Timothy
- Ingwersen, Dean
- Iñiguez Rodriguez, Adrián M.
- Inman, Matthew
- Inman-Bamber, NG
- Innes, J.G.
- Innes, John
- Iqbal, Muhammad
- Ireson, J.
- Ireson, J. E.
- Ireson, JE
- Irons, C.
- Irvin, N.
- Irvin, N. A.
- Irving, Paul
- Irwin, Peter
- Isaac, Joanne L.
- Isaksson, A.
- Isbell, R. F.
- Isbell, R.F.
- Isberg, S.R.
- Isherwood, Miya
- Ishibashi, Nobuyoshi
- Ishida, H.
- Ishikawa, H.
- Ishikawa, Seiji
- Ishikawa, Yu
- Ishizaka, J.
- Ishtiaq, Farah
- Islam, Md Samsul
- Ismail, Abdelbagi M.
- Isoardi, Gillian
- Ito, T.
- Ive, Robyn
- Ivermee, Sean
- Ivey, Philip
- Iwaisaki, H.
- Iwasaki, Takasbi
- Izzard, Stephen
- Izzo, Christopher
