The countdown is on for one of Scotland’s biggest music events! Following a thrilling 2025 event, TRNSMT Festival is heavily rumoured to be returning to Glasgow Green for another massive weekend of music, with unofficial dates speculated around July 10 to 12.
While the official line-up remains a closely guarded secret, the world of music is already buzzing with speculation ahead of Christmas - a good time to maybe twist an arm or two for a festival ticket?
From arena-filling international superstars to the UK's hottest breakthrough talent, the names on the list are truly electrifying, and to fuel the anticipation, we’ve taken a look through social media, Reddit, chart successes, and festival favourites to bring you 15 potential artists who could grace one of the stages next summer.
However, note that every act mentioned is pure speculation and based on industry predictions, tour schedules, and fan demand, so no disappointments if they don’t come to pass.
Take a look now and see who our latest predictions who could be rocking Glasgow Green in 2026!
9. Olivia Dean
One of the UK’s fastest-rising stars, Olivia Dean could bring a much-needed injection of modern soul and jazz-inflected pop. Known for her velvety voice and mature, heartfelt songwriting, her performance could be a high-class, sun-drenched set perfect for dancing in the afternoon and appreciating pure musical talent. | Samir Hussein/WireImage
10. Sam Fender
The pride of North Shields and recent Mercury Prize winner might be ready to deliver his powerful brand of anthemic, socially conscious rock to Scotland once again. Sam Fender's live show is a masterclass in honest songwriting and raw energy. You should expect huge choruses, sax solos, and a passionate crowd shouting every single lyric back at the stage—a modern festival essential. | Getty Images for Coachella
11. Twenty One Pilots
The Ohio duo are masters of the theatrical festival set. Blending genres from rock and rap to indie pop, Twenty One Pilots’ show is a non-stop barrage of energy, sing-alongs, and audience engagement. Their dedicated fan base would ensure a colossal reception for a performance packed with anthems from across their critically acclaimed discography. | David Jackson
12. Charli XCX
The undisputed queen of pop's cutting edge could bring the biggest, boldest party to TRNSMT. Known for her intensely energetic live shows and genre-blending bangers, Charli XCX has proven why she’s one of the most in-demand artists in the world right now - and a certified festival banger. | Getty Images for The Recording Academy