| Date | Player | Last Season Stats | Experience | Age | Old Team | New Team | Notes |
|---|---|---|---|---|---|---|---|
| 07-01-2023 | Ryan Donato (W/C) | 50 GP, 6-14-20 | 6 | 28 | Sea | Chi | two-year |
| 07-01-2023 | Mackenzie MacEachern (LW) | 21 GP, 1-1-2 | 4 | 30 | Car | StL | two-year |
| 07-01-2023 | Josh Jacobs (D) | AHL | 2 | 28 | Col | StL | one-year two-way |
| 07-01-2023 | Wyatt Kalynuk (D) | 21 GP, 4-5-9 | 2 | 27 | NYR | StL | one-year two-way |
| 07-01-2023 | Malcolm Subban (G) | 16 GP, 6-8-1, 3.20, .900 | 7 | 30 | Buf | StL | one-year two-way |
| 07-01-2023 | Vladislav Namestnikov (C/W) | 53 GP, 8-9-17 | 10 | 31 | Wpg | Wpg | two-year |
| 07-01-2023 | Laurent Brossoit (G) | 14 GP, 6-6-0, 2.42, .918 | 8 | 31 | VGK | Wpg | one-year |
| 07-01-2023 | Zach Sawchenko (G) | ECHL | 1 | 26 | Car | Van | one-year two-way |
| 07-01-2023 | Anthony Richard (W/C) | AHL | 3 | 27 | Mtl | Bos | one-year two-way |
| 07-01-2023 | Nick Bjugstad (C/RW) | 44 GP, 6-11-17 | 11 | 31 | Edm | Ari | two-year |
| 07-01-2023 | Jeffrey Viel (LW) | 11 GP, 0-0-0 | 3 | 27 | SJ | Wpg | one-year |
| 07-01-2023 | Kyle Criscuolo (C) | AHL | 2 | 31 | SJ | NJ | one-year two-way |
| 07-01-2023 | Justin Dowling (C/LW) | 27 GP, 1-4-5 | 5 | 33 | Van | NJ | one-year two-way |
| 07-01-2023 | Alex Killorn (RW/LW) | 56 GP, 15-18-33 | 11 | 34 | TB | Ana | four-year |
| 07-01-2023 | Noel Acciari (C/RW) | 41 GP, 4-7-11 | 8 | 32 | Tor | Pit | three-year |
| 07-01-2023 | Erik Kallgren (G) | Swe | 2 | 27 | Tor | NJ | one-year two-way |
| 07-01-2023 | Tim Gettinger (LW) | 2 GP, 0-0-0 | 4 | 26 | NYR | Det | one-year two-way |
| 07-01-2023 | Vinni Lettieri (RW/C) | 5 GP, 0-0-0 | 4 | 29 | Bos | Min | two-year two-way |
| 07-01-2023 | Brogan Rafferty (D) | 1 GP, 0-1-1 | 2 | 28 | Sea | Det | two-year two-way |
| 07-01-2023 | Tristan Jarry (G) | 39 GP, 25-9-3, 2.75, .909 | 7 | 28 | Pit | Pit | five-year |
| 07-01-2023 | Jacob Lucchini (C/LW) | AHL | 1 | 28 | Ott | Min | one-year two-way |
| 07-01-2023 | Jayson Megna (RW/C) | 7 GP, 0-2-2 | 9 | 34 | Ana | Bos | one-year two-way |
| 07-01-2023 | Luke Toporowski (LW) | - | 0 | 23 | - | Bos | two-year |
| 07-01-2023 | Alex Nedeljkovic (G) | 23 GP, 15-5-3, 1.90, .932 | 6 | 28 | Det | Pit | one-year |
| 07-01-2023 | Ryan Graves (D) | 54 GP, 2-13-15 | 5 | 28 | NJ | Pit | six-year |
| 07-01-2023 | Troy Grosenick (G) | 2 GP, 1-1-0, 3.00, .922 | 2 | 34 | Phi | Nas | one-year two-way |
| 07-01-2023 | Kevin Shattenkirk (D) | 55 GP, 2-13-15 | 13 | 35 | Ana | Bos | one-year |
| 07-01-2023 | Anthony Angello (RW) | 19 GP, 2-2-4 | 3 | 28 | Nas | Nas | two-year two-way |
| 07-01-2023 | Dmitry Kulikov (D) | 48 GP, 0-4-4 | 14 | 33 | Pit | Fla | one-year |
| 07-01-2023 | Miles Wood (LW/RW) | 55 GP, 17-8-25 | 8 | 28 | NJ | Col | six-year |
| 07-01-2023 | Travis Barron (LW) | ECHL | 0 | 25 | - | Ari | one-year two-way |
| 07-01-2023 | Anthony Stolarz (G) | 8 GP, 4-3-0, 2.20, .926 | 6 | 30 | Ana | Fla | one-year |
| 07-01-2023 | William Lagesson (D) | 19 GP, 0-2-2 | 3 | 28 | Car | Tor | one-year two-way |
| 07-01-2023 | Mason Geertsen (LW/D) | AHL | 1 | 29 | NJ | VGK | two-year two-way |
| 07-01-2023 | Ben Gleason (D) | AHL | 1 | 26 | Dal | Edm | two-year two-way |
| 07-01-2023 | Colin Miller (D) | 48 GP, 4-8-12 | 8 | 31 | Dal | NJ |
Traded
The New Jersey Devils acquired defenseman Colin Miller from the Dallas Stars for a fifth-round draft pick in 2025.
|
| 07-01-2023 | Semyon Varlamov (G) | 36 GP, 19-11-4, 2.04, .929 | 15 | 35 | NYI | NYI | four-year |
| 07-01-2023 | Scott Mayfield (D) | 56 GP, 2-13-15 | 9 | 31 | NYI | NYI | seven-year |
| 07-01-2023 | Pierre Engvall (RW/LW) | 42 GP, 7-5-12 | 4 | 27 | NYI | NYI | seven-year |
| 07-01-2023 | Lars Eller (C/LW) | 44 GP, 8-15-23 | 14 | 34 | Col | Pit | two-year |
| 07-01-2023 | Jonathan Drouin (LW/RW) | 44 GP, 2-21-23 | 9 | 29 | Mtl | Col | one-year |
| 07-01-2023 | Michael Houser (G) | 4 GP, 2-2-0, 3.46, .901 | 2 | 31 | Buf | Buf | one-year two-way |
| 07-01-2023 | Brian Dumoulin (D) | 41 GP, 4-10-14 | 10 | 32 | Pit | Sea | two-year |
| 07-01-2023 | Noel Hoefenmayer (D) | - | 0 | 25 | - | Edm | one-year two-way |
| 07-01-2023 | Trevor Carrick (D) | AHL | 4 | 29 | TB | Ana | one-year two-way |
| 07-01-2023 | J.T. Compher (C/RW) | 48 GP, 10-8-18 | 7 | 29 | Col | Det | five-year |
| 07-01-2023 | Maxime Lajoie (D) | 0 GP, 0-0-0 | 4 | 26 | Car | Tor | one-year two-way |
| 07-01-2023 | Marshall Rifai (D) | - | 0 | 26 | AHL | Tor | two-year two-way |
| 07-01-2023 | David Rittich (G) | 19 GP, 5-8-2, 2.86, .901 | 7 | 31 | Wpg | LA | one-year |
| 07-01-2023 | Steven Santini (D) | 3 GP, 0-1-1 | 7 | 29 | StL | LA | one-year two-way |