Peter Zupanc (born January 8, 1982, in Ljubljana) is a retired Slovenian javelin thrower.

[1] He represented Slovenia at the 2004 Summer Olympics, and also recorded his own personal best of 78.60 metres from the Slovenian Championships in his native Ljubljana.

[3] Zupanc qualified for the Slovenian squad in the men's javelin throw at the 2004 Summer Olympics in Athens, by registering a B-standard entry mark of 78.60 metres from the Slovenian Championships.

[2][4] Zupanc released a javelin with a satisfying 77.34-metre throw on his third attempt in the qualifying round, nearly an inch shorter of his personal best.

Placing twenty-second out of thirty-four athletes in the overall standings, Zupanc failed to advance further to the final.