The pole was Leclerc's seventh of the season and 16th of his career.
Norris last led the standings in April, a gap of 189 days, and had not won a race since Hungary in early August. Sunday was his sixth victory of the season, one less than Piastri, and career 10th.
The two McLaren drivers were ruled out for excessive skid plank wear hours after the race had ended and the podium champagne been sprayed.
Charles Leclerc crashed at the end of qualifying for his home Monaco Grand Prix on Saturday
Austria to stay on Formula One calendar until 2027.
Formula One world champion Max Verstappen won the inaugural Miami Grand Prix for Red Bull on Sunday, slashing Ferrari rival Charles Leclerc's overall lead from 27 to 19 points after five races.
Australian Oscar Piastri won the Saudi Arabian Grand Prix on Sunday to take the lead in the Formula One world championship
Red Bull's Max Verstappen qualified comfortably faster but dropped five places for a gearbox change.
Ferrari's Charles Leclerc claimed pole position at the end of Qualifying at the Spanish Grand Prix.
Formula One leader Oscar Piastri put his McLaren on pole position for the Emilia Romagna Grand Prix at Imola on Saturday
Red Bull's Max Verstappen, last year's winner at his team's home circuit, qualified third.
Charles Leclerc seized the first pole position of his Formula One career on Saturday with Ferrari team mate Sebastian Vettel second fastest to lock out the front row for the Bahrain Grand Prix.
Charles Leclerc seized pole position for the Italian Formula One Grand Prix and sent Ferrari hopes soaring on Saturday while Mercedes' George Russell joined him on the front row once penalties were applied.
Finland's 2007 Formula One World champion Kimi Raikkonen will leave Ferrari at the end of the season in a swap with Sauber's Charles Leclerc, both teams announced on Tuesday.
The pole was Charles Leclerc's second in a row
Lewis Hamilton believes Charles Leclerc has usurped four times world champion team mate Sebastian Vettel as Ferrari's favourite.
The 18-year-old, preparing for only his sixth Grand Prix weekend, lapped with a best time of one minute 26.482 seconds to pip McLaren's championship leader Oscar Piastri by 0.045 seconds.
McLaren's Lando Norris took pole position for the Qatar Grand Prix sprint on Friday with Mercedes' George Russell denying the Formula One leaders a front row.
Current boss Fred Vasseur and former principal at Mercedes Toto Wolff saw that as just Hamilton being Hamilton, with the former saying the Briton was frustrated and not demotivated.
Australian Piastri, winner of four of the last five races, lapped the Imola circuit with a fastest time of one minute 16.545 seconds on the softest tyre compound with Norris 0.032 slower on a sunny afternoon.
Charles Leclerc took pole position for Ferrari in crash-laden qualifying for the Australian Grand Prix on Saturday, pipping Red Bull's World champion Max Verstappen on the upgraded Albert Park circuit.
Seven-times World champion Lewis Hamilton appeared in Ferrari red for the first time outside of Italy as Formula One put on an unprecedented and spectacular 10-team season launch in front of 15,000 fans on Tuesday.
Here's a look at some key moments which helped decide the championship fight.
Film folk are busy travelling: Avneet enjoys the night life in London... Soha does yoga in the Maldives... Ibrahim lives his F1 dream...
Charles Leclerc overcame a late throttle scare to win the Austrian Grand Prix for Ferrari on Sunday and become Formula One championship leader Max Verstappen's closest rival.
Verstappen starts new Red Bull era with Spa sprint win
Red Bull boss Christian Horner said the 2025 F1 season was turning into a two-horse race between the McLaren drivers after his team had a home Austrian Grand Prix to forget on Sunday.
Max Verstappen won the Spanish Grand Prix in a Red Bull one-two on Sunday
Russell fastest in first Austrian GP practice as Dunne shines
Ferrari's Charles Leclerc held off Lewis Hamilton to win his first Formula One race on Sunday in the Belgian Formula One Grand Prix.
Formula One breathed a sigh of relief on Sunday after the sport's new 'halo' head protection device saved Charles Leclerc from what might have been a potentially serious impact.
Verstappen is third overall in the standings, 61 points behind Piastri who leads Norris by 15, and chasing his third win of the campaign to make up for retirement in Austria last weekend.
The Ferrari driver's best time of one minute 16.231 seconds was close to the 2018 Spanish Grand Prix pole time by Lewis Hamilton for Mercedes.
It was the first time in seven races that Ferrari had failed to get at least one of their cars into the top 10.
Red Bull's reigning champion Max Verstappen will join the Australian on the front row.
Red Bull's Formula One championship leader Max Verstappen won the Hungarian Grand Prix from 10th on the starting grid on Sunday as Ferrari rival Charles Leclerc suffered another strategy nightmare.
But there were no bold statements on race day as he struggled to take a point and his team mate Charles Leclerc laboured to an eighth-place finish.
In the constructors' standings, Ferrari closed the gap to McLaren to 24 points.
The victory on a hot afternoon at Le Castellet was Verstappen's seventh of the season and 27th of his career.
F1 leader Oscar Piastri seized pole position from teammate and title rival Lando Norris by a hefty margin as dominant McLaren locked out the front row in Spanish Grand Prix.