The T-80 is a main battle tank (MBT)^[11] that was designed and manufactured in the former Soviet Union and manufactured in Russia. The T-80 is based on the T-64, while incorporating features from the later T-72 and changing the engine to a gas turbine. When it entered service in 1976, it was the first production tank to be powered solely by turbine.^[a]


The chief designer of the T-80 was Soviet engineer Nikolay Popov.^[13] The T-80U was last produced in 2001 in a factory in Omsk, Russia, but in 2023, the CEO of Uralvagonzavod announced that production would restart.^[14]


The Ukrainian T-80UD diesel engine variant continued to be produced in Ukraine. The T-80 and its variants are in service in Belarus, Cyprus, Egypt, Kazakhstan,^{[url='en.wikipedia.org/wiki/T-80#cite_note-FOOTNOTEKolekcja_Czołgi_Świata[[Category:Wikipedia_articles_needing_page_number_citations_from_September_2010]]<sup_class="noprint_Inline-Template_"_style="white-space:nowrap;">&#91;<i>[[Wikipedia:Citing_sources|<span_title="This_citation_requires_a_reference_to_the_specific_page_or_range_of_pages_in_which_the_material_appears.&#32;(September_2010)">page&nbsp;needed</span>]]</i>&#93;}-16'][15][/url]</sup> Pakistan, Russia, South Korea, Ukraine and Uzbekistan. Ukraine further developed the T-80UD as the T-84.