Already 1-0 up from an early Angel di Maria goal Ibrahimovic produced a stunning 25-yard snap-shot which flew into the top corner of the Caen goal on 36 minutes.
As the stadium rose to acclaim the giant Swede for the simple power and precision of his split-second effort, even the beaten `keeper was left smiling.
The win lifted PSG to a massive 20 points clear of Angers, in action on Sunday at Saint-Etienne.
It also extends the star-studded Qatar-backed club`s unbeaten record in the league to 28 games since March.
“This calendar year, 2015, has been a really, really good year for PSG,” said coach Laurent Blanc. “But halfway through the season, records don`t mean much to me,” he warned.
Summer-signing Di Maria rounded off the scoring with his sixth Ligue 1 goal since joining from Manchester United, making it 3-0 as he rounded off a slick team effort on 50 minutes.
“I was happy with the way many of the players, whose minds were on the long trips most of them were about to make. But you saw how they played, right from the off,” said Blanc.
Caen `keeper Remy Vercoutre deserves a special mention himself after saving four stinging shots in a bewildering first-half goalmouth scramble, two of them spectacular stops with the feet from Lucas Moura and Ibrahimovic.
Not to be outdone PSG`s German `keeper Kevin Trapp then saved an 84th minute penalty from Caen`s Andy Delort as the champions shone in every area against a side who went into the game in fourth place.
Third-place Monaco end a turbulent 2015 at Troyes later Saturday, with the bottom club still looking for a first win of the season.
Among the other fixtures is a Brittany derby between Guingamp, who are in the relegation zone, and a Rennes side with just one win in their last 13 league games.
Marseille will look to end a difficult year on a high note when they visit Bordeaux on Sunday night in the last match before France takes a two-week winter break over the festive period.
On Friday teenager Olivier Boscagli sent Nice into the French winter break on a winning note as he struck the only goal in a 1-0 victory at home to Montpellier.