| Team | Engine | No. | Nationality | Driver | Rounds |
|---|---|---|---|---|---|
| A.J Foyt Enterprises | Chevrolet | 14 55 |  | Santino Ferrucci Benjamin Pedersen | All All |
| Andretti Autosport | Honda | 26 27 28 29 98 |   | Colton Herta Kyle Kirkwood Romain Grosjean Devlin DeFrancesco Marco Andretti | All All All All 6 |
| Arrow McLaren SP | Chevrolet | 5 6 7 66 |    | Pato O'Ward Felix Rosenqvist Alexander Rossi Tony Kanaan | All All All 6 |
| Chip Ganassi Racing | Honda | 8 9 10 11 (Road Courses) 11 (Oval Courses) |    | Marcus Ericsson Scott Dixon Alex Palou Marcus Armstrong Takuma Sato | All All All 1, 3-5, 7-10, 13, 14, 16, 17 2, 6, 11, 12, 15 |
| Dale Coyne Racing | Honda | 18 51 24 |  | David Malukas Sting Ray Robb Stefan Wilson | All All 6 |
| Ed Carpenter Racing | Chevrolet | 20 21 33 (Oval Courses) |  | Conor Daly Rinus VeeKay Ed Carpenter | All All 2, 6, 11, 12, 15 |
| Juncos Hollinger Racing | Chevrolet | 77 78 |  | Callum Ilott Agustin Canapino | All All |
| Meyer Shank Racing | Honda | 06 60 | | Helio Castroneves Simon Pagenaud | All All |
| Rahal Letterman Lanigan Racing | Honda | 15 30 45 44 |  | Graham Rahal Jack Harvey Christian Lundgaard Katherine Legge | All All All 6 |
| Team Penske | Chevrolet | 2 3 12 |  | Josef Newgarden Scott McLaughlin Will Power | All All All |
2023 IndyCar Driver Line-Up
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