Australia beat Honduras 3-1 in the second leg of their intercontinental playoff on Wednesday to qualify for next year's World Cup in Russian Federation.
Jedinak might argue he deserved to be credited with the hat-trick, but the official scorer ruled his first effort an own goal after it deflected off a defender.
But Jedinak did make the occasion safe when slotting home a penalty on 72 minutes, following a handball from Bryan Acosta.
Honduras' desperate push for a response left them exposed at the back, and Jedinak was on hand to convert his second spot-kick of the night after Johnny Palacios brought down the advancing Robbie Kruse.
Alberth Elis snuck one through for the visitors in the 94th minute, but it was very much a case of too little, too late for the Hondurans.
Honduras lost Emilio Izaguirre to injury before the break and his replacement, Henry Figueroa, was involved in the Socceroos' opener.
Mile Jedinak's hat-trick booked Australia's place at the 2018 World Cup in Russian Federation.
It proved to be a memorable night for captain Mile Jedinak, who scored all three of Australia's goals, in the 53rd, 72nd and 85th minutes.
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