Official updates on the club's Top 30 squad for 2021.
- Wests Tigers sign Tom Amone (March 1)
- Jock Madden re-signs with Wests Tigers (February 28)
- Wests Tigers secure Daine Laurie, effective immediately (February 7)
- Wests Tigers re-sign David Nofoaluma (January 14)
- Wests Tigers sign Tuikimihia Simpkins (January 5)
- Wests Tigers re-sign Zane Musgrove (December 9)
- Josh Reynolds to depart Wests Tigers (December 7)
- Wests Tigers re-sign Alex Seyfarth (December 4)
- Wests Tigers sign Joe Ofahengaue (November 29)
- Wests Tigers re-sign Shawn Blore (November 24)
- Wests Tigers sign Daine Laurie (November 20)
- Wests Tigers sign James Roberts (November 19)
- Two players added to 2021 Development squad (October 31)
- Wests Tigers sign James Tamou (September 18)
WESTS TIGERS 2021 NRL SQUAD
| PLAYER | CONTRACT | ||||
| Tom Amone | 2021 | ||||
| Shawn Blore | 2021 | 2022 | 2023 | ||
| Luke Brooks | 2021 | 2022 | 2023 | ||
| Michael Chee Kam | 2021 | ||||
| Zac Cini | 2021 | ||||
| Adam Doueihi | 2021 | 2022 | 2023 | ||
| Luke Garner | 2021 | 2022 | |||
| Asu Kepaoa | 2021 | 2022 | 2023 | ||
| Daine Laurie | 2021 | 2022 | 2023 | ||
| Joey Leilua | 2021 | 2022 (CO) | |||
| Luciano Leilua | 2021 | 2022 | |||
| Jacob Liddle | 2021 | ||||
| Jock Madden | 2021 | 2022 | |||
| Moses Mbye | 2021 | 2022 | |||
| Thomas Mikaele | 2021 | ||||
| Zane Musgrove | 2021 | 2022 | 2023 | 2024 | |
| David Nofoaluma | 2021 | 2022 | 2023 | 2024 | 2025 |
| Joe Ofahengaue | 2021 | 2022 | 2023 | ||
| Russell Packer | 2021 | ||||
| James Roberts | 2021 | 2022 (CO) | |||
| Alex Seyfarth | 2021 | ||||
| Jake Simpkin | 2021 | 2022 | |||
| Tukimihia Simpkins | 2021 | 2022 | 2023 | ||
| Tommy Talau | 2021 | 2022 | |||
| James Tamou | 2021 | 2022 | |||
| Alex Twal | 2021 | 2022 | |||
| Stefano Utoikamanu | 2021 | 2022 | 2023 | ||
| Billy Walters | 2021 |
