The singer has wrapped up his residency at the London venue after performing 12 shows there as part of his Together, Together world tour.
The record was secured on Saturday when Styles completed the final show in the Wembley Stadium run.
The former One Direction star began the residency on June 12, with the tour in celebration of his fourth studio album Kiss All The Time. Disco, Occasionally.
Originally announced as a six-night run, overwhelming demand led to the addition of six more shows for the UK leg of the tour.
The 12-date run saw Styles and his tour overtake the previous record of 10 Wembley Stadium shows, which had been set by Coldplay during their Music Of The Spheres World Tour in 2025.
Styles and the whole tour crew were presented with the certificate onstage at Wembley Stadium by official Guinness World Records adjudicator Will Munford.
The official Guinness World Records title reads: "The longest residency by a musician at Wembley Stadium during a single run is 12 shows and was achieved by Harry Styles at Wembley Stadium in London, UK, on July 4 2026."
"Wembley Stadium is one of the most iconic live music venues in the world, so to achieve the longest residency by a musician there during a single run is an extraordinary achievement," Munford said.
"Harry Styles' record-breaking 12-date run is a testament to the scale, ambition and cultural impact of his live performances, as well as the incredible connection he has with his fans."
Styles now also holds the record for most concerts performed by a solo artist during a single concert run in the stadium's history, surpassing the eight nights set by his ex-girlfriend Taylor Swift in 2024.
Styles is already a Guinness World Records title holder.
He was previously recognised after his single As It Was registered 2.28 billion global subscription streams equivalent units across all digital formats in 2022.
As part of One Direction, the band also broke six Guinness World Records in 2016, including for being the first group to debut at number one with their first four albums in the US, the most followers on Twitter for a music group, and most subscribers for a band on YouTube.
Styles will next perform in Sao Paulo, Mexico City, New York City and Melbourne, with the tour set to wrap up in Sydney on December 13.
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