| Name | Issues/Designs | |||
| |
Yanka Kupala National Academic Theatre | — | — | d - Yanka Kup..c Theatre 2015 |
| Year of the Goat | — | — | - ... 2015 | |
| Year of the Ox | — | — | - ... 2021 | |
| Year of the Rabbit | — | — | - ... 2023 | |
| Year of the Rat | — | — | - ... 2020 | |
| Year of the Tiger | — | — | - ... 2022 | |
| |
Yellow Water-lily | — | — | d - Yellow Water-lily 2002 |
| |
Yerevan | — | — | opening d - Yerevan 2011 syns. City of Yerevan, Yerevan, Armenia |
| |
Zaslawye | — | — | d - Zaslawye 2014 |
| |
Zerynthia polyxena | — | — | d - Zerynthia polyxena (2004) 2004 syns. Thais polixena, Zerynthia hypermnestra, Zerynthia hypsipyle |
| |
Georgy Zhukov | 1896 | — | GK birth syns. Georgij Schukow, G.K. Zhukov, GK Zhukov |
| GK Zhukov birth | 1896 | — | syns. G.K. Zhukov birth | |
| |
zinnia | — | — | d - zinnia (2008) 2008 syns. Zinnia sp., Zinya |
| |
Ivan Zubachov | — | — | d - Ivan Zubachov 2016 |
| |
Zygaena filipendulae | — | — | d - Zygaena filipendulae (2016) 2016 |