| 1 | Calderón / Flörsch / Visser | Richard Mille Racing Team (F) | | Oreca | 07 | | Gibson | LMP2 | |
| 7 | Conway / Kobayashi / Lopez | Toyota Gazoo Racing (J) | Hisatake Murata | Toyota | GR010 Hybrid | | Toyota | Hypercar | |
| 8 | Buemi / Nakajima / Hartley | Toyota Gazoo Racing (J) | Hisatake Murata | Toyota | GR010 Hybrid | | Toyota | Hypercar | |
| 20 | Magnussen / Fjordbach / Andersen | High Class Racing (DK) | | Oreca | 07 | | Gibson | LMP2 | Pro-Am |
| 21 | Hedman / Montoya / Hanley | DragonSpeed USA (USA) | | Oreca | 07 | | Gibson | LMP2 | Pro-Am |
| 22 | Hanson / Scherer / Albuquerque | United Autosports USA (USA) | Richard Dean/Zak Brown | Oreca | 07 | | Gibson | LMP2 | |
| 24 | Kelly / Aubry / Trummer | PR1 Motorsports (USA) | | Oreca | 07 | | Gibson | LMP2 | Pro-Am |
| 25 | Falb / Andrade / Merhi | G-Drive Racing (RUS) | | Aurus | 01 | | Gibson | LMP2 | Pro-Am |
| 26 | Rusinov / Colapinto / de Vries | G-Drive Racing (RUS) | | Aurus | 01 | | Gibson | LMP2 | |
| 28 | Gelael / Vandoorne / Blomqvist | Jota (GB) | | Oreca | 07 | | Gibson | LMP2 | |
| 28T | Gelael / Vandoorne / Blomqvist | Jota (GB) | Sam Hignett | Oreca | 07 | | Gibson | LMP2 | |
| 29 | van Eerd / Van Der Garde / van Uitert | Racing Team Nederland (NL) | | Oreca | 07 | | Gibson | LMP2 | Pro-Am |
| 31 | Frijns / Habsburg / Milesi | Team WRT (B) | Vincent Vosse | Oreca | 07 | | Gibson | LMP2 | |
| 33 | Keating / Fraga / Pereira | TF Sport (GB) | Tom Ferrier | Aston Martin | Vantage AMR | | Aston Martin | GTE Am | |
| 34 | Smiechowski / van der Zande / Brundle | Inter Europol Competition (PL) | Jakub Smiechowski | Oreca | 07 | | Gibson | LMP2 | |
| 36 | Negrão / Lapierre / Vaxiviere | Alpine Elf Matmut (F) | Philippe Sinault | Alpine | A480 | | Gibson | Hypercar | |
| 38 | Gonzalez / Félix da Costa / Davidson | Jota (GB) | | Oreca | 07 | | Gibson | LMP2 | |
| 44 | Konôpka / Jackson / Burke | ARC Bratislava (SK) | Miroslav Konôpka | Ligier | JS P217 | | Gibson | LMP2 | Pro-Am |
| 47 | Lacorte / Sernagiotto / Fuoco | Cetilar Racing (I) | | Ferrari | 488 | GTE Evo | Ferrari | GTE Am | |
| 51 | Pier Guidi / Calado | AF Corse (I) | Amato Ferrari | Ferrari | 488 | GTE Evo | Ferrari | GTE Pro | |
| 52 | Serra / Molina | AF Corse (I) | Amato Ferrari | Ferrari | 488 | GTE Evo | Ferrari | GTE Pro | |
| 54 | Flohr / Castellacci / Fisichella | AF Corse (I) | Amato Ferrari | Ferrari | 488 | GTE Evo | Ferrari | GTE Am | |
| 56 | Perfetti / Cairoli / Pera | Team Project 1 (D) | Hans Bernd Kamps | Porsche | 991 RSR | II 19 | Porsche | GTE Am | |
| 60 | Schiavoni / Piccini / Cressoni | Iron Lynx (I) | Andrea Piccini | Ferrari | 488 | GTE Evo | Ferrari | GTE Am | |
| 63 | Garcia / Gavin | Corvette Racing (USA) | | Chevrolet | Corvette C8 | .R | Chevrolet | GTE Pro | |
| 70 | Garcia / Duval / Nato | Realteam Racing (CH) | | Oreca | 07 | | Gibson | LMP2 | Pro-Am |
| 77 | Ried / Evans / Campbell | Dempsey-Proton Racing (D) | Christian Ried | Porsche | 991 RSR | II 19 | Porsche | GTE Am | |
| 83 | Perrodo / Nielsen / Rovera | AF Corse (I) | Amato Ferrari | Ferrari | 488 | GTE Evo | Ferrari | GTE Am | |
| 85 | Frey / Legge / Gostner | Iron Lynx (I) | Andrea Piccini | Ferrari | 488 | GTE Evo | Ferrari | GTE Am | |
| 86 | Wainwright / Barker / Gamble | GR Racing (GB) | Michael Wainwright | Porsche | 991 RSR | II 19 | Porsche | GTE Am | |
| 88 | Haryanto / Seefried / Picariello | Dempsey-Proton Racing (D) | Christian Ried | Porsche | 991 RSR | II 19 | Porsche | GTE Am | |
| 91 | Bruni / Lietz | Porsche GT Team (D) | | Porsche | 991 RSR | II 19 | Porsche | GTE Pro | |
| 92 | Estre / Jani | Porsche GT Team (D) | | Porsche | 991 RSR | II 19 | Porsche | GTE Pro | |
| 98 | Farfus / Dalla Lana / Gomes | Aston Martin Racing (GB) | | Aston Martin | Vantage AMR | | Aston Martin | GTE Am | |
| 777 | Hoshino / Fujii / Watson | D'Station Racing (J) | Satoshi Hoshino | Aston Martin | Vantage AMR | | Aston Martin | GTE Am | |