Head took a stunning catch to dismiss rival dangerman Rohit Sharma earlier in Sunday's showpiece and then stepped up with the bat to score a mammoth 100 runs off 95 balls for his side.
The left-hander is the first batter to reach the three-digit mark in a World Cup summit clash since Sri Lanka captain Jayawardene achieved the feat in 2011 against India at the Wankhede Stadium.
Australia opener Travis Head became the seventh batter to score a century in an ODI World Cup final at the Narendra Modi Stadium in Ahmedabad on Sunday.
He reached his hundred off 95 balls with a single off the bowling of Kuldeep Yadav in the 34th over.