The following is the list of squads for each of the 16 teams competing in the FIBA EuroBasket 2003, held in Sweden between 5 and 14 September 2003. Each team selected a squad of 12 players for the tournament.
Group A
Bosnia and Herzegovina
France
Italy
Slovenia
Group B
Germany
Israel
Latvia
Lithuania
Group C
Russia
Serbia and Montenegro
Spain
Sweden
Group D
Croatia
Greece
Turkey
Ukraine
References 2003 European Championship for Men, FIBA.com.