- Y Faus, J
- Y. D.,
- Y., G. H.
- Ya guang yu di xue she 亚光舆地学社
- Ya, Jidong
- Yaakop, Salmah
- Yaakop, Salmah, 1978-
- Yábar Landa, Erick
- Yábar, Ramiro
- Yábar, Virgilio
- Yabe, Hisakatsu, 1878-
- Yabe, Regina de Souza
- Yabe, Tatsuo
- Yabumoto, Yoshitaka
- Yabur Pacheco, Ricardo
- Yabut, Mia G.
- Yacek, Henry F. Jr.
- Yacher, Leon
- Yack, H. L.
- Yack, Jayne E.
- Yackel Adams, Amy A.
- Ya'cob, Zubaidah
- Yacoob, M
- Yacoob, M H S
- Yada, Takashi, 1964-
- Yadav, A. K. (Anand Krishna)
- Yadav, A. S.
- Yadav, Arun K.
- Yadav, Banwari L.
- Yadav, D. N.
- Yadav, J S
- Yadav, Ram P.
- Yadav, Santosh L.
- Yadav, Shrirang Ramachandra
- Yadav, Usha Shrirang, 1957-
- Yadava, Daya Ram
- Yadava, R N
- Yadin, Yigael, 1917-1984
- Yadkin Nursery Company.
- Yadon, Vern
- Yaeger, J. Scott.
- Yaerell, William
- Yafe, Alejandro
- Yager Nursery and Seed Co.
- Yager Nursery and Seed Company.
- Yager Nursery Company.
- Yager, Jill
- Yager, Joseph A.
- Yager, Karen.
- Yaghoubi, Bijan
- Yagi, Katharine T.
- Yagi, Sadahisa
- Yağmur, Ersen Aydın
- Yago, Masaya
- Yagueddú, Cristina
- Yaha, Yunaldi
- Yahara, Tetsukazu 1954-
- Yahia, Jaber
- Yahia, Nuha
- Yahner, Richard H. (Richard Howard) 1949-2015
- Yahnke, Christopher J.
- Yahoubian, Galina
- Yahr, Rebecca
- Yahya, Bakhtiar Effendi
- Yahya, H. S. A. (Hafiz Shaeque Ahmed)
- Yahya, Padillah
- Yahyapour, Elliyeh
- Yajima, Gogaku, active 19th century-
- Yajima, Satoshi
- Yakeley, Elida.
- Yakima & Columbia River Nursery Co.
- Yakima commercial club.
- Yakima Valley Nursery Co.
- Yakima Valley Nursery Company.
- Yakima-Sunnyside Nursery.
- Yakimchuk, R.
- Yakimov, Andrey V.
- Yakovin, Nickolay A.
- Yakovleff, N.
- Yakovlev, Roman V.
- Yakovleva, Tatyana I.
- Yalçinlar, Ismail
- Yalden, D. W. (Derek William) 1940-2013
- Yaldes, Angel
- Yaldwyn, J. C. (John Cameron) 1929-2005
- Yale North India Expedition 1932-1933
- Yale University
- Yale University. Osborn Botanical Laboratory
- Yale University. School of Forestry and Environmental Studies.
- Yale, Leroy Milton, 1841-1906
- Yam, Rita S. W.
- Yamada, Aiki
- Yamada, Atsushi
- Yamada, Áureo T.
- Yamada, Chifumi
- Yamada, F. H.
- Yamada, Fusao
- Yamada, Hideo
- Yamada, Katsuyuki
- Yamada, Kazutaka
- Yamada, Kenji
- Yamada, M. V.
- Yamada, Naosaburō.
- Yamada, Sylvia Behrens
- Yamada, T. M.
- Yamada, Tadasu K., 1950-
- Yamada, Tuneo
- Yamada, Umeyoshi
- Yamagami, Kenjiro
- Yamagata, Atsuko
- Yamagishi, Hiroshi
- Yamagishi, Kenzo
- Yamagishi, T
- Yamaguchi, Klenicy Kazumi
- Yamaguchi, Noriyuki
- Yamaguchi, Soken, 1759-1818
- Yamaguchi, Takao
- Yamaguchi, Tatsuhiko
- Yamaguchi, Toshiyuki
- Yamaguchi, Tsuneo, 1931-
- Yamaguchi, Y.
- Yamaguti, Humberto Y.
- Yamaguti, Satyu, 1894-1976
- Yamahira, Kazunori
- Yamakawa, K.
- Yamamori, Luna
- Yamamoto, Aki
- Yamamoto, Flavio U.
- Yamamoto, H.
- Yamamoto, Hiroshi
- Yamamoto, Julie T.
- Yamamoto, Kazutoshi
- Yamamoto, Kedma Cristine
- Yamamoto, Kikyo
- Yamamoto, Kokichi
- Yamamoto, Laura
- Yamamoto, Leila Fumiyo
- Yamamoto, Maria Emília
- Yamamoto, Masamichi
- Yamamoto, Nagisa
- Yamamoto, Paula Yuri
- Yamamoto, Pedro T. (Pedro Takao)
- Yamamoto, R. T.
- Yamamoto, Shuhei
- Yamamoto, T
- Yamamoto, Teruo
- Yamamoto, Yoshimatsu. 山本由松
- Yamamura, C. B.
- Yamanaka, Chūzaemon, active 1698-
- Yamanaka, Hidetoshi
- Yamanaka, Takehiko
- Yamane, Seiki
- Yamane, Seiki, 1948-
- Yamane, Sōichi, 1946-
- Yamani, Seyed-Ali, 1933-
- Yamanobe, Tomoyo
- Yamanouchi, Korehito
- Yamanouchi, Shigéo. 山内繁雄 1876-1973
- Yamanouchi, Yasufumi.
- Yamaoka, Ikuo
- Yamasaki, Hiroshi
- Yamasaki, Takeshi
- Yamasaki-Granados, Stig
- Yamasako, Junsuke
- Yamashina, Yoshimaro 1900-1989
- Yamashiro, C. (Carmen)
- Yamashita, Carlos
- Yamashita, Daniel T.
- Yamashita, Hirofumi, 1934-2000
- Yamashita, Junko
- Yamashita, Kaoru
- Yamashita, Keiji
- Yamashita, M. M.
- Yamashita, Masakane
- Yamashita, Tomoo
- Yamashita, Tsunemi
- Yamashita, Yoh
- Yamashkin, Anatoliy
- Yamashkin, Stanislav
- Yamasita, Zinpei
- Yamasu, Kyo
- Yamasu, Terufumi
- Yamato, Shigeyuki
- Yamauchi, Kiyoshi
- Yamauchi, Kohei
- Yamauchi, Takeo
- Yamaura, Yuichi
- Yamazaki, Fumio
- Yamazaki, Kazunori
- Yamazaki, Koji, 1961-
- Yamazaki, Satoru
- Yamazaki, Takasi 1934-
- Yambun, P.
- Yamee, Chotima
- Yampolsky, Cecil
- Yampolsky, Review By: Cecil
- Yan, Bin
- Yan, Bingzhen
- Yan, Cheng-Jin
- Yan, Chujiang.
- Yan, Chuncai
- Yan, Dao
- Yan, Fang
- Yan, G.
- Yan, Guo-Jiao
- Yan, Hai-Fei
- Yan, Hanjing
- Yan, Heng-Mai
- Yan, Jiahe
- Yan, Jun
- Yan, Jun-Qing
- Yan, Ke-Jian
- Yan, Lan
- Yan, Li-Ping
- Yan, Long
- Yan, Longfei
- Yan, Longfei & Zhang Yulin
- Yan, Lunzhe 颜纶泽
- Yan, Luo
- Yan, Ming
- Yan, Norman David, 1948-
- Yan, Peng
- Yan, Pingmei
- Yan, Qi-Bao
- Yan, Qiufeng
- Yan, Shaoyi
- Yan, Wen-Long
- Yan, Xiang-Shuai
- Yan, Xiang-Yuan
- Yan, Xiao Yan
- Yan, Xie.
- Yan, Xiufeng
- Yan, Xue
- Yan, Xunyou
- Yan, Ya-Ya
- Yan, Yi
- Yan, Yuchen
- Yan, Yuehong
- Yan, Yue-Hong, 1976-
- Yan, Yu-Lun
- Yan, Yun-Jun
- Yan, Yun-Rong
- Yan, Zhengliang.
- Yan, Zhen-Li
- Yan, Zhi
- Yan, Zhuo
- Yan, Zhu-Qi
- Yanagi, Kensuke. 柳, 研介
- Yanagihara, Mamoru
- Yanagimachi, Hiroko