- Source: 2023 Isle of Man TT
- Isle of Man TT
- Daftar Sirkuit Grand Prix Sepeda Motor
- Grand Prix Sepeda Motor musim 1956
- Grand Prix Sepeda Motor musim 1949
- Grand Prix Sepeda Motor Britania
- Grand Prix Sepeda Motor musim 1962
- Grand Prix Sepeda Motor musim 1953
- Kawasaki Ninja H2
- Daftar Pembalap Grand Prix Sepeda Motor
- John Surtees
- Isle of Man TT
- 2023 Isle of Man TT
- List of Isle of Man TT Mountain Course fatalities
- Isle of Man TT Mountain Course
- 2022 Isle of Man TT
- 2019 Isle of Man TT
- 2018 Isle of Man TT
- 1956 Isle of Man TT
- 2015 Isle of Man TT
- 2017 Isle of Man TT
The 2023 Isle of Man TT was held between Monday 29 May and Saturday 10 June, on the Isle of Man TT Mountain Course.
The event was marked by the high profile absences of possible podium contenders Lee Johnston and Nathan Harrison due to injury, multiple TT winner Ian Hutchinson due to a stroke, Gary Johnson, the 2 time winner crashed badly in Horice Czech Republic meaning he was sidelined for the 2023 season and fastest ever newcomer Glenn Irwin for personal reasons.
This year saw the outright lap record broken again by Peter Hickman achieving 136.358 mph (219.447 km/h) on Friday 9th June during the second RL360 Superstock race aboard the Monster Energy by FHO Racing BMW M1000RR.
Michael Dunlop saw success during the event by earning 4 victories (Superbike, Supersport 1, Supersport 2, Lightweight 1) putting him at 25 total, one below his uncle Joey Dunlop. He also set a new supersport record of 130.403 mph (209.863 km/h), Peter Hickman also manage to break the 130 mph (210 km/h) average on a supersport with 130.219 mph (209.567 km/h).
The Birchall brothers, Ben and Tom, saw continued success by winning both Sidecar races taking their tally to 14 and 11 in a row. They also set a new lap record of 120.645 mph (194.159 km/h) during the second Sidecar race.
The event saw the unfortunate passing of one competitor on the final lap of the first Supertwin TT, Spanish rider Raul Torras Martinez.