| Name | Issues/Designs | |||
| |
Ximenia caffra | — | — | d - Ximenia caffra 1979 |
| |
yellow baboon | — | — | syns. Papio cynocephalus |
| |
yellow-billed stork | — | — | d - yellow-billed stork 1982 syns. Ibis ibis, Mycteria ibis |
| |
Yellowbilled oxpecker | — | — | d - Yellowbil.. oxpecker 1997 |
| |
zebra | — | — | d (2) - zebra (2002) 2002, zebra rampant on map of Botswana 1971 syns. Hippotigris, zebras |
| |
Ziziphus mucronata | — | — | d - Ziziphus mucronata 1994 |
| |
Zonocerus elegans | — | — | syns. elegant grasshopper |