Slovenia, a country with a population of just 2.1 million, will be the smallest nation by current population to participate in an Olympic men’s basketball tournament since Estonia and Latvia in 1936. It is Slovenia’s first-ever ticket to the Olympics since the separation of Yugoslavia. Slovenia will compete in Group C alongside host nation Japan, Argentina and Spain. Their opening match is against Argentina, set to take place on 26th July in Saitama.
| Player | Position |
| Luka Rupnik | Point guard |
| Aleksej Nikolic | Guard |
| Klemen Prepelic | Guard |
| Edo Muric | Forward |
| Mike Tobey | Center |
| Jaka Blazic | Shooting guard |
| Gregor Hrovat | Small forward |
| Ziga Dimec | Center |
| Zoran Dragic | Forward |
| Vlatko Cancar | Small forward |
| Jakob Cebasek | Guard/Forward |
| Luka Doncic | Guard |
Slovenia led by Luka Doncic and head coached by Aleksander Sekulic is yet another basketball powerhouse to watch out for. They are the reigning EuroBasket champions. To seal their first ever Olympic basketball berth, Luka Doncic guided Slovenia with a triple-double in a 96-85 win over host Lithuania in the final of a last-chance qualifying tournament.
Luka Doncic - Dallas Mavericks
Vlatko Cancar - Denver Nuggets
| Date | Match | Time | Venue |
| July 26 | Slovenia vs Argentina | 12:40 a.m. ET | Saitama Super Arena, Japan |
| July 29 | Slovenia vs Japan | 12:40 a.m. ET | Saitama Super Arena, Japan |
| Aug 1 | Slovenia vs Spain | 4:20 a.m. ET | Saitama Super Arena, Japan |
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