Primož Ulaga (born 20 July 1962) is a Yugoslav/Slovenian former ski jumper.

Competing in two Winter Olympics, he won a silver medal in the team large hill competition at Calgary in 1988.

Ulaga also won a silver medal at the FIS Ski-Flying World Championships 1988 in Oberstdorf.

His best finish at the FIS Nordic World Ski Championships was sixth in the individual large hill event at Seefeld in 1985.

This biographical article relating to Slovenian ski jumping is a stub.