Her candidacy has so far been backed by more than a dozen prominent individuals, including former presidents Milan Kučan and Danilo Türk.
Other potential candidates reportedly include MEP Ljudmila Novak (NSi), former prime minister Miro Cerar, and former foreign minister Ivo Vajgl. The ruling Freedom Movement have also tentatively picked their candidate, former diplomat Marta Kos.
The incumbent, Borut Pahor, is term-limited.
