| 3 | Van Rompuy / Alvarez / Berthon | DKR Engineering (L) | Kendy Janclaes | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro-Am |
| 4 | Bukhantsov / Winslow / Perino | DKR Engineering (L) | | Duqueine | D08 | | Nissan | LMP3 | |
| 5 | Dayson / Eriksen / Manchester | RLR M Sport (GB) | | Ligier | JS P320 | | Nissan | LMP3 | |
| 7 | Wells / Harper-Ellam | Nielsen Racing (GB) | | Ligier | JS P320 | | Nissan | LMP3 | |
| 8 | Jensen / Adcock / Espirito Santo | Team Virage (PL) | | Ligier | JS P320 | | Nissan | LMP3 | |
| 11 | Bell / Ali | Eurointernational (I) | | Ligier | JS P320 | | Nissan | LMP3 | |
| 12 | Kratz / Weiss / Tunjo | WTM by Rinaldi Racing (D) | | Duqueine | D08 | | Nissan | LMP3 | |
| 13 | Cristóvão / Askey / Brichacek | Inter Europol Competition (PL) | Jakub Smiechowski | Ligier | JS P320 | | Nissan | LMP3 | |
| 15 | Felbermayr, Jr. / Julien / Kaprzyk | RLR M Sport (GB) | | Ligier | JS P320 | | Nissan | LMP3 | |
| 16 | Hardwick / Robichon / Picariello | Proton Competition (D) | | Porsche | 991 RSR | II 19 | Porsche | GTE | |
| 17 | Chila / Siebert / Garcia | Cool Racing (CH) | | Ligier | JS P320 | | Nissan | LMP3 | |
| 19 | Mattschull / Rodriguez / Calderón | Team Virage (PL) | | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro-Am |
| 20 | Poordad / Vautier / Hawksworth | Algarve Pro Racing (P) | | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro-Am |
| 21 | Schneider / Meyrick / Piquet, Jr. | United Autosports USA (USA) | | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro-Am |
| 22 | Sato / Hanson / Jarvis | United Autosports USA (USA) | | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro |
| 24 | Sales / Hanley / Beche | Nielsen Racing (GB) | David Thompson | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro-Am |
| 24T | | Nielsen Racing (GB) | David Thompson | Oreca | 07 | | Gibson | LMP2 | |
| 25 | Simpson / Allen / Lynn | Algarve Pro Racing (P) | | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro |
| 28 | Lafargue / Chatin / Hörr | IDEC Sport (F) | Patrice Lafargue | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro |
| 30 | Pino / Binder / Jani | Duqueine Team (F) | | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro |
| 31 | Wolff / Foubert / Doquin | Racing Spirit of Leman (CH) | | Ligier | JS P320 | | Nissan | LMP3 | |
| 34 | Yoluc / Eastwood / Deletraz | Racing Team Turkey (TR) | | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro-Am |
| 35 | Trouillet / Lahaye / Lahaye | Ultimate (F) | | Ligier | JS P320 | | Nissan | LMP3 | |
| 37 | Coigny / Jakobsen / Lapierre | Cool Racing (CH) | Alexandre Coigny | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro-Am |
| 43 | Andrade / Caldwell / Aberdein | Inter Europol Competition (PL) | | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro |
| 44 | Moller / Birch / Thiim | GMB Motorsport (DK) | | Aston Martin | Vantage AMR | | Aston Martin | GTE | |
| 47 | Lomko / de Gerus / Lopez | Cool Racing (CH) | Alexandre Coigny | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro |
| 50 | Laursen / Laursen / Nielsen | Formula Racing (DK) | | Ferrari | 488 | GTE Evo | Ferrari | GTE | |
| 51 | Lentoudis / Aguas / de Pauw | AF Corse (I) | | Ferrari | 488 | GTE Evo | Ferrari | GTE | |
| 55 | Cameron / Perel / Griffin | Spirit of Race (CH) | | Ferrari | 488 | GTE Evo | Ferrari | GTE | |
| 57 | Kimura / Huffaker II / Serra | Kessel Racing (CH) | Ronnie Kessel | Ferrari | 488 | GTE Evo | Ferrari | GTE | |
| 60 | Schiavoni / Cressoni / Cairoli | Iron Lynx (I) | | Porsche | 991 RSR | II 19 | Porsche | GTE | |
| 65 | van Uitert / Maldonado / van der Helm | Panis Racing (F) | Olivier Panis | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro |
| 66 | Berry / Hanafin / Lancaster | JMW Motorsport (GB) | Jim McWhirter | Ferrari | 488 | GTE Evo | Ferrari | GTE | |
| 72 | Robin / Robin / Hasse-Clot | TF Sport (GB) | | Aston Martin | Vantage AMR | | Aston Martin | GTE | |
| 77 | Ried / Levorato / Andlauer | Proton Competition (D) | | Porsche | 991 RSR | II 19 | Porsche | GTE | |
| 81 | Hedman / Montoya / Montoya | DragonSpeed USA (USA) | | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro-Am |
| 83 | Perrodo / Vaxiviere / Barnicoat | AF Corse (I) | | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro-Am |
| 93 | Fassbender / Rump / Lietz | Proton Competition (D) | | Porsche | 991 RSR | II 19 | Porsche | GTE | |
| 95 | Hartshorne / Tuck / Adam | TF Sport (GB) | | Aston Martin | Vantage AMR | | Aston Martin | GTE | |
| 99 | Roda / Ried / Viscaal | Proton Competition (D) | | Oreca | 07 | | Gibson | LMP2 | LMP2 Pro-Am |