- Trujillo-Arias, Natalia
- Trujillo-Bolio, Ivan
- Trujillo-De La Torre, Ilse Yasareth
- Trujillo-Díaz, Ali Gabrielle
- Trujillo-Gonzalez, Alejandro
- Trujillo-Narcía, Antonio
- Trujillo-Pérez, Bertín
- Trullinger, F. L.
- Trullinger, Robert William, 1889-
- Truman, Harry V
- Truman, James W
- Truman, Matthew
- Truman's Pioneer Stud Farm.
- Trumbauer, David Sidney.
- Trumble, John T.
- Trumbo, Michael
- Trumbo, Stephen T.
- Trumbore, Susan Elizabeth
- Trumbower, M. R. (Milton R.)
- Trumbule, R. B.
- Trumbull & Beebe.
- Trumbull & Co.
- Trumbull Seed Co.
- Trumbull, Gurdon, 1841-1903
- Trumbull, H. L. (Harlan Leo), 1886-1981
- Trumbull, J. Hammond (James Hammond), 1821-1897
- Trumbull, Strean & Allen Seed Co.
- Trumbull, William
- Trummer, Lori.
- Trump, Gary
- Trumper, Eduardo
- Trumper, Eduardo V.
- Trumpler, Robert
- Trung, Cao Tien
- Trunk, Charles.
- Trunz, Vincent.
- Truog, Emil, 1884-
- Truong, Ba Vuong
- Truong, Binh Nguyen
- Truong, Camille
- Truong, Do Van, 1984-
- Truong, Doan Nhat
- Truong, Hang Thi Thu
- Truong, Quang Cuong
- Truong, Quang Nguyen
- Truong, Quang Tam.
- Truong, Quynh A.
- Truong, Simone Thi-Hue
- Truong, Tuan Anh
- Truong, Tuong Cat Thi
- Trương, Xuân Lam
- Truqui, Eugenio, 1860
- Trusch, Robert
- Trusler, John, 1735-1820
- Trusler, Peter
- Trussell, D. F.
- Trussell, R. William
- Trusso, Nina
- Trust for Oriental Ornithology
- Trust for Public Land (U.S.)
- Trustees of Public Reservations (Mass.)
- Trusty, Jennifer L
- Truszczinski, Anna M
- Truxal, Fred S.
- Truxal, Fred S. 1922-2017
- Truxillo, Pedro, active 1813-
- Truylio, Betânia
- Truzzi, B. S.
- Trybom, Filip
- Tryer, M A
- Tryjanowski, Piotr
- Tryon, Alice F.
- Tryon, Clarence Archer, 1911-
- Tryon, Earl Haven, 1946-
- Tryon, George W.
- Tryon, George W., (George Washington), 1838-1888
- Tryon, Henry
- Tryon, Henry, 1856-1943
- Tryon, Lora
- Tryon, Rolla M. (Rolla Milton), 1916-2001
- Tryons Dahlia Garden.
- Tryons Dahlia Gardens.
- Tryphiodorus
- Tryrom, Filip
- Trytsman, Marike
- Trýzna, Miloš
- Trzciński, Paweł
- Trzeciak, Stefan
- Trzeciak-Limeira, Flavia
- Tsacas, Leonidas
- Tsafack, Noelline
- Tsai, Cheng-Lung
- Tsai, Chi-Li
- Tsai, Chun-Yang
- Tsai, Elaine
- Tsai, Ichen
- Tsai, James H.
- Tsai, Jing-Fu
- Tsai, Jo-Szu
- Tsai, Ke-Hsiung
- Tsai, Ming-Yu
- Tsai, Pei-Yu
- Tsai, Peter I.
- Tsai, Siu Mui
- Tsai, Sophia H
- Tsai, Sz-Yi
- Tsai, Wan-Hsin
- Tsai, Wen-Ling
- Tsai, Whitney L E
- Tsakiris, Eric T
- Tsaliki, Martha
- Tsampazis, Triantafyllos
- Tsang, L.
- Tsang, Peter
- Tsang, Steven Hong Tai
- Tsang, Susan M.
- Tsang, Toby
- Tsangaras, Kyriakos
- Tsankov, Georgi
- Tsao, Yao Fong
- Tsarskitie prirodonauchni instituti (Sofiia, Bulgaria)
- Tsatsia, Francis
- Tsaur, Shun-Chern
- Tschabanenko, Svetlana I
- Tschanz, Beat
- Tschanz, Karl
- Tschanz-Godio, Sébastien
- Tschapeck, Hippolyt
- Tschapka, Marco, 1965-
- Tscharntke, Teja
- Tscherbakoff, S. G.
- Tschermak, Erich, 1871-
- Tschermak, Gustav, 1836-1927
- Tschernosterová, Kateřina
- Tscherter, Ursula
- Tschinkel, Walter R
- Tschirch, A. (Alexander), 1856-1939
- Tschirnhaus, Michael von
- Tscholl, Martin
- Tschöpe, Okka
- Tschopik, Harry, 1915-1956
- Tschopp, Emanuel
- Tschorsnig, Hans-Peter
- Tschourina, Olga
- Tschudi, Friedrich von, 1820-1886
- Tschudi, Jean-Baptiste-Louis-Théodore, baron de, 1734-1784
- Tschudi, Johann Jakob von, 1818-1889
- Tschudin, Pascal
- Tschudi-Rein, Kathrin
- Tschumi, Pierre-André
- Tschunko, Almuth H.
- Tschusi zu Schmidhoffen, Victor von, 1847-1924
- Tse, Edison,
- Tsegmed, Zagarjav
- Tsekané, Sedrick Junior
- Tsekos, I
- TSELIKH, EKATERINA
- Tselouiko, Stéphanie
- Tseng, Charles C.
- Tseng, Hui-Yun
- Tseng, Shu-Ping
- Tseng, Wei-Zhe
- Tseng, Yen
- Tseng, Yen-Hsueh
- Tsengeg, P.
- Tsenov, Tsvetan
- T͡sentralʹnyĭ Respublikansʹkyĭ Botanichnyĭ Sad.
- Tsentsiper, Z.
- Tseplik, Natalia
- Tseu, Winifred Shui Lin
- Tsheboeng, Gaolathe
- Tshering, Jigme
- Tshernyshev, Sergei
- Tshidada, Ntakadzeni
- Tshisikhawe, Milingoni Peter
- Tshistjakov, Yuri A.
- Tshudy, Dale
- Tsiafouli, Maria
- Tsiamis, George
- Tsiamis, Konstantinos
- Tsiang, Ying
- Tsiaoussi, Vasiliki
- Tsikolia, Nikoloz
- Tsiky, Rabetrano
- Tsinaraki, Chrisa
- Tsiripidis, Ioannis
- Tso, I-Min
- Tsocanos, Sebastian
- Tsoe-Meiren, Eduard van.
- Tsogtbaatar, Khisigjaw
- Tsopelas, Panaghiotis
- Tsou, Chih-Hua
- Tsou, Y. Hsuwen
- T-STAR Workshop Campbell Agricultural Center) 1999-
- Tsubaki, Remi
- Tsubamoto, Takehisa
- Tsubouchi, H
- Tsuchi, Akifumi
- Tsuchida, Eishō, 1809-1860
- Tsuchida, Hiromi
- Tsuchida, Shinji
- Tsuchiya, Akio
- Tsuchiya, Fumio
- Tsuchiya, Henry Mitsumara.
- Tsuchiya, Kenji
- Tsuchiya, Kimiyuki
- Tsuchiya, Masakazu
- Tsuchiya, Masaru
- Tsuchiya, Masashi
- Tsuchiya, Mirian
- Tsuchiya, Takeshi, 1904-1989
- Tsuchiya, Yuichi
- Tsuda, Dick M.
- Tsuda, Eiji
- Tsuda, M
- Tsuda, Miwako
- Tsuda, Roy T
- Tsuda, Umè
- Tsuda, Yoshio
- Tsui, Kin-Ming
- Tsuji, Frederick I
- Tsuji, Leonard J. S.
- Tsuji, Linda A.
- Tsujii, Kentaro
- Tsuji-Nishikido, Bruno Minoru
- Tsujita, Cameron J.
- Tsujita, Masaru James.
- Tsukada, Hideharu
- Tsukagoshi, Akira
- Tsukahara, Junzo
- Tsukamoto, Katsumi
- Tsukamoto, Sho
- Tsukaya, Hirokazu
- Tsukiboshi, T
- Tsukiboshi, Takao
- Tsukimura, Brian
- Tsukise, Azuma
- Tsukiyama, Hiroshi
- Tsumuki, Hisaaki
- Tsumura Kenkyujo.
- Tsumuraya, Yoichi
- Tsunagawa, Takatoshi
- Tsuneda, A
- Tsuneki, Kazuhiko
- Tsuneoka, Makoto
- Tsurkan, Vladimir F.
- Tsurusaki, Nobuo
- Tsurykau, Andrei
- Tsutsui, Hidekazu
- Tsutsui, Kazuyoshi