[1] Dončić was a member of the Yugoslavia national cadet team at the 1991 FIBA Europe Under-16 Championship in Greece.

[2] In 2004, he played in two games for the senior Slovenian national basketball team at the FIBA EuroBasket 2005 qualification.

Dončić was born in Šempeter pri Gorici, Yugoslavia, now present-day Slovenia.

[4][5] He was married to Slovenian model and beauty salon owner Mirjam Poterbin, until their divorce in 2008.

Their son Luka, who is also a professional basketball player, currently plays with the Los Angeles Lakers in the NBA.