| Official name | : | 2023 FIM Moto3 World Championship |
| Season | : | 75th |
| Number of Grand Prix | : | 21 |
| Constructors | : | 5 |
| Teams | : | 14 |
| Riders | : | 28 |
| Tyre suppliers | : | Dunlop |
| Official website | : | www.motogp.com |
| Current champions | : | Izan Guevara (2022) |
The
2023 FIM Moto3 World Championship will be part of the 75th F.I.M. Road Racing World Championship season.
Teams and riders
| Team | Constructor | Motorcycle | No. | Rider |
|---|
| CFMoto Racing Prüstel GP | CFMoto | Moto3 | 43 | Xavier Artigas |
| 66 | Joel Kelso |
| GasGas Aspar Team | GasGas | RC250GP | 6 | Ryusei Yamanaka |
| 80 | David Alonso |
| Honda Team Asia | Honda | NSF250RW | 64 | Mario Aji |
| 72 | Taiyo Furusato |
| Leopard Racing | Honda | NSF250RW | 5 | Jaume Masià |
| 24 | Tatsuki Suzuki |
| Rivacold Snipers Team | Honda | NSF250RW | 18 | Matteo Bertelle |
| 55 | Romano Fenati |
| Sic58 Squadra Corse | Honda | NSF250RW | 27 | Kaito Toba |
| 54 | Riccardo Rossi |
| VisionTrack Honda Racing | Honda | NSF250RW | 19 | Scott Ogden |
| 70 | Joshua Whatley |
| Liqui Moly Husqvarna Intact GP | Husqvarna | FR250GP | 71 | Ayumu Sasaki |
| 95 | Collin Veijer |
| Angeluss MTA Team | KTM | RC250GP | 48 | Iván Ortolá |
| 82 | Stefano Nepa |
| Boé Motorsports | KTM | RC250GP | 22 | Ana Carrasco |
| 44 | David Muñoz |
| CIP Green Power | KTM | RC250GP | 20 | Lorenzo Fellon |
| 38 | David Salvador |
| MT Helmets – Msi | KTM | RC250GP | 10 | Diogo Moreira |
| 63 | Syarifuddin Azman |
| Red Bull KTM Ajo | KTM | RC250GP | 53 | Deniz Öncü |
| 99 | José Antonio Rueda |
| Red Bull KTM Tech3 | KTM | RC250GP | 7 | Filippo Farioli |
| 96 | Daniel Holgado |
|
|---|
Team changes
- Intact GP will enter the Moto3 class with Husqvarna and will be managed by Peter Öttl. This is Intact GP's third team across all classes, having a Moto2 team since 2013 and a MotoE team since 2019. The team will replace Max Biaggi's Max Racing Team who will leave the championship after four seasons. Max Racing Team was also previously managed by Öttl during its time in Moto3.
Rider changes
- Dennis Foggia will leave Leopard Racing for he will be promoted to Moto2. He will be replaced by Jaume Masià, who will move from Red Bull KTM Ajo. Masià has previously raced with Leopard Racing in 2020.
- Joel Kelso will move to CFMoto Racing Prüstel GP from CIP Green Power, replacing Carlos Tatay who was left without a ride in 2023.
- Daniel Holgado and Filippo Farioli will race for Red Bull KTM Tech3, replacing Adrián Fernández, who was left without a ride in 2023, and Deniz Öncü. Holgado will move from Red Bull KTM Ajo, while Farioli will make his Grand Prix racing debut, having raced in both Red Bull MotoGP Rookies Cup and FIM JuniorGP World Championship in 2022.
- Ryusei Yamanaka and David Alonso will race for GasGas Aspar Team, replacing Sergio García and Izan Guevara who will both be promoted to Moto2. Yamanaka will move from MT Helmets – MSi, while Alonso will be making his full-time debut in Moto3, having served as a replacement and wildcard rider in 2021 and 2022.
- Kaito Toba will move to Sic58 Squadra Corse from CIP Green Power, replacing Lorenzo Fellon.
- Romano Fenati and Matteo Bertelle will race for Rivacold Snipers Team, replacing Andrea Migno and Alberto Surra, who were both left without rides in 2023. Fenati will return to the Moto3 class, having raced in Moto2 in 2022, but was sacked midway through the season. He has previously raced with the Snipers team in 2017 and 2019. Meanwhile, Bertelle will move from the now defunct QJmotor Avintia Racing Team.
- Deniz Öncü and José Antonio Rueda will race for Red Bull KTM Ajo, replacing Jaume Masià and Daniel Holgado. Öncü will move from Red Bull KTM Tech3. Rueda, who is both the 2022 FIM JuniorGP World Champion and Red Bull MotoGP Rookies Cup winner, will be making his full-time debut in Moto3, having served as a replacement rider in 2021 and 2022.
- Ayumu Sasaki and Collin Veijer will race for the newly-formed Liqui Moly Husqvarna Intact GP. Sasaki will move from the now defunct Max Racing Team, while Veijer will be making his Grand Prix racing debut, having raced in both the Red Bull MotoGP Rookies Cup and FIM JuniorGP World Championship in 2022.
- Syarifuddin Azman will be making his full-time debut in Moto3 with MT Helmets - MSi, replacing Ryusei Yamanaka. Syarifuddin previously served as a replacement and wildcard rider in 2021 and 2022. He also raced in the FIM JuniorGP World Championship in 2022.
- Lorenzo Fellon and David Salvador will race for CIP Green Power, replacing Kaito Toba and Joel Kelso. Fellon will move from Sic58 Squadra Corse, while Salvador will be making his full-time debut in Moto3, having served as a replacement rider in 2021 and 2022.
- Elia Bartolini, who raced for the now defunct QJmotor Avintia Racing Team, was left without a ride in 2023.
- John McPhee, who raced for the now defunct Max Racing Team, left Moto3 for the Supersport World Championship as he is above the age limit of 28 when the season starts.
