| Player | Position | Former club | Club joined | League | Nationality |
|---|---|---|---|---|---|
| Michel Himmer | Lock | Niort | Chambery | Nationale |  German |
| Charlie Rice | Lock | Cornish Pirates | Chambery | Nationale |  English |
| Enzo Rognon | Lock | USAP | Rennes | Nationale |  French |
| Fabio Zingone | Lock | Toulon | Chambery | Nationale | French |
| Mosa'ati Moala | Lock | Aurillac | Vienne | Nationale |  Tongan |
| Zsombor Kade | Lock | Rouen | Suresnes | Nationale |  Hongrois |
| Maxence Lambot | Lock | Stade Français | Périgueux | Nationale | French |
| Nils Punti | Lock | Montpellier | Carcassonne | Nationale | French |
| Robin Garnier | Lock | La Rochelle | Rennes | Nationale | French |
| Meli Turagaca | Lock | Bourgoin | Chambery | Nationale |  Fijian |
| David Elame Bebey | Lock | Marcq-en-Baroeul | Marcq-en-Baroeul | Nationale | French |
| Noah Schmitt | Lock |  |
Périgueux | Nationale | French |
| Marianne Goix | Lock | Colomiers | A.S. Bayonne | Élite 2 Féminin | French |
| Sarah Gbizie | Lock |  |
Colomiers | Élite 2 Féminin | French |
| Courtney Lawes | Lock | Brive | Sale | Premiership Rugby Cup | English |
| Fabrice Metz | Lock | Vannes | Stade Français | European Rugby Champions Cup | French |
| Damian Panizzo | Lock | Chartres | Amiens | Fédérale 2 |  Argentinian |
| Harry Wells | Lock | Leicester | Bristol | Premiership | English |
| Andrew Chauveau | Lock |  |
Gujan Mestras | Fédérale 1 | French |
| Jérôme Mondoulet | Lock | Vallée du lot | Layrac | Fédérale 1 | French |
| Sikeli Nabou | Lock | Soyaux-Angouleme | Barbezieux | Fédérale 1 | Fijian |
| Brian Alainu'uese | Lock | Toulon | Bayonne | European Rugby Challenge Cup |  Samoan |
| Jean Kleyn | Lock | Munster |  |
Premiership |  Irish |
| Nicolaas Jacobus Janse van Rensburg | Lock |  |
|
Currie Cup |  South African |
| Joe Joyce | Lock | Connacht | |
Premiership | Irish |
| Joseph Stephanus Theuns Lewies | Lock |  |
 |
United rugby championship | South African |
| Hugo Alarcon | Lock | La Seyne | Rodez | Fédérale 2 | French |
| Marius Constantin Antonescu | Lock | Narbonne | Servette Genève | Nationale 2 |  Romanian |
| Hyron Diego Andrews | Lock | Sale |  |
United rugby championship | South African |
| Cornell Hess | Lock | Le Puy en Velay | Vendome | Fédérale 3 | South African |
| Isaia Walker-Leawere | Lock | Hawkes Bay |  |
United rugby championship |  New Zealander |
| Josh Goodhue | Lock | Black Rams Tokyo | Northland | NPC | New Zealander |
| Leva Fifita | Lock | Narbonne | Auch | Nationale 2 | Tongan |
| Senio Toleafoa | Lock | Chambery | Voiron | Fédérale 2 | Samoan |
| Wandile Putuma | Lock | Saint Cere | Le Teil | Fédérale 3 | South African |
| Johannes Momsen | Lock | Anthem RC | |
Currie Cup | South African |
| Maselino Paulino | Lock | Marcq-en-Baroeul | Lourdes | Fédérale 1 | Samoan |
| Darcy Swain | Lock |  |
Clermont | European Rugby Champions Cup |  Australian |
| Jean-Pierre du Preez | Lock | Osaka Red Hurricanes | |
United rugby championship | South African |
| Tom Quarrie | Lock | Coarraze Nay | Coarraze Nay | Fédérale B | New Zealander |
| Eli Colin Snyman | Lock | |
Ulster | United rugby championship |  Zimbabwéen |
| Michael Farmer | Lock | |
Gujan Mestras | Fédérale 1 | New Zealander |
| Marius Iftimiciuc | Lock | Carcassonne | Quillan Limoux | Fédérale 2 | Romanian |
| Raphaël Benistant | Lock | St-Sulpice-sur-Lèze | Castanet | Fédérale 2 | French |
| Darrien-Lane Landsberg | Lock | |
|
United rugby championship | Zimbabwéen |
| Dennis Visser | Lock | Narbonne | XV Corbieres | Fédérale 2 | South African |
| Cameron Jordan | Lock | |
Newcastle | Premiership | English |
| Mathieu Soufflet | Lock | Tarbes | Auch | Nationale 2 | French |