Teja Oblak (born December 20, 1990) is a professional Slovenian basketball player for ZVVZ USK Praha and the Slovenian national team. She began her basketball career in her hometown Škofja Loka, playing eight years for her local team Odeja Škofja Loka. In Euroleague, she combined one season in Polkowice with three seasons for Good Angels Košice and one season in Atomerömü KSC Szekszard and in 2018, she moved to ZVVZ USK Praha. She is one of two female Slovenian basketball players (among Nika Barič) to have won two euroleague champion titles.
She participated at the EuroBasket Women 2017.
She is the older sister of Jan Oblak, a professional football goalkeeper for Atlético Madrid and the Slovenia national team.