The first and really only significant data on Botryosphaeriaceae mycobiota from the arid and semi-arid region of Uzbekistan are presented. This study reports 27 species of Diplodia-like fungi (Botryosphaeriaceae) from the study area; nine species are newly reported for Uzbekistan. Most species of Diplodia and Dothiorella were found on host plants of the families Amaranthaceae, Asteraceae, Fabaceae, Lamiaceae, Rosaceae, and Salicaceae. An annotated list of Diplodia-like species is given, including their host plant species, notes on taxonomy, ecology, and geographical distributions. A geo-referenced distribution map is included.