diff --git a/Content.Client/Administration/ClientAdminManager.cs b/Content.Client/Administration/ClientAdminManager.cs
index 7ef0f31169..0f66a2df98 100644
--- a/Content.Client/Administration/ClientAdminManager.cs
+++ b/Content.Client/Administration/ClientAdminManager.cs
@@ -21,6 +21,11 @@ namespace Content.Client.Administration
 
         public event Action? AdminStatusUpdated;
 
+        public bool IsActive()
+        {
+            return _adminData?.Active ?? false;
+        }
+
         public bool HasFlag(AdminFlags flag)
         {
             return _adminData?.HasFlag(flag) ?? false;
diff --git a/Content.Client/Administration/IClientAdminManager.cs b/Content.Client/Administration/IClientAdminManager.cs
index e675e3f378..ed04f1d7e0 100644
--- a/Content.Client/Administration/IClientAdminManager.cs
+++ b/Content.Client/Administration/IClientAdminManager.cs
@@ -15,6 +15,12 @@ namespace Content.Client.Administration
         /// </summary>
         event Action AdminStatusUpdated;
 
+        /// <summary>
+        ///     Checks whether the local player is an admin.
+        /// </summary>
+        /// <returns>true if the local player is an admin, false otherwise even if they are deadminned.</returns>
+        bool IsActive();
+
         /// <summary>
         ///     Checks whether the local player has an admin flag.
         /// </summary>
diff --git a/Content.Client/State/GameScreen.cs b/Content.Client/State/GameScreen.cs
index eaeaa3fcff..dbbc4a2ab3 100644
--- a/Content.Client/State/GameScreen.cs
+++ b/Content.Client/State/GameScreen.cs
@@ -1,11 +1,14 @@
+using Content.Client.Administration;
 using Content.Client.Chat;
 using Content.Client.Interfaces.Chat;
 using Content.Client.UserInterface;
 using Content.Client.Voting;
+using Content.Shared;
 using Content.Shared.Input;
 using Robust.Client.Input;
 using Robust.Client.UserInterface;
 using Robust.Client.UserInterface.Controls;
+using Robust.Shared.Configuration;
 using Robust.Shared.Input.Binding;
 using Robust.Shared.IoC;
 using Robust.Shared.Localization;
@@ -20,9 +23,14 @@ namespace Content.Client.State
         [Dependency] private readonly IInputManager _inputManager = default!;
         [Dependency] private readonly IChatManager _chatManager = default!;
         [Dependency] private readonly IVoteManager _voteManager = default!;
+        [Dependency] private readonly IConfigurationManager _configurationManager = default!;
+        [Dependency] private readonly IClientAdminManager _adminManager = default!;
 
         [ViewVariables] private ChatBox _gameChat;
 
+        private bool _oocEnabled;
+        private bool _adminOocEnabled;
+
         public override void Startup()
         {
             base.Startup();
@@ -42,13 +50,17 @@ namespace Content.Client.State
             _gameChat.Input.PlaceHolder = Loc.GetString("Say something! [ for OOC");
 
             _inputManager.SetInputCommand(ContentKeyFunctions.FocusChat,
-                InputCmdHandler.FromDelegate(s => FocusChat(_gameChat)));
+                InputCmdHandler.FromDelegate(_ => FocusChat(_gameChat)));
 
             _inputManager.SetInputCommand(ContentKeyFunctions.FocusOOC,
-                InputCmdHandler.FromDelegate(s => FocusOOC(_gameChat)));
+                InputCmdHandler.FromDelegate(_ => FocusOOC(_gameChat)));
 
             _inputManager.SetInputCommand(ContentKeyFunctions.FocusAdminChat,
-                InputCmdHandler.FromDelegate(s => FocusAdminChat(_gameChat)));
+                InputCmdHandler.FromDelegate(_ => FocusAdminChat(_gameChat)));
+
+            _configurationManager.OnValueChanged(CCVars.OocEnabled, OnOocEnabledChanged, true);
+            _configurationManager.OnValueChanged(CCVars.AdminOocEnabled, OnAdminOocEnabledChanged, true);
+            _adminManager.AdminStatusUpdated += OnAdminStatusUpdated;
         }
 
         public override void Shutdown()
@@ -59,6 +71,37 @@ namespace Content.Client.State
             _gameHud.RootControl.Orphan();
         }
 
+        private void OnOocEnabledChanged(bool val)
+        {
+            _oocEnabled = val;
+
+            if (_adminManager.IsActive())
+            {
+                return;
+            }
+
+            _gameChat.Input.PlaceHolder = Loc.GetString(_oocEnabled ? "Say something! [ for OOC" : "Say something!");
+        }
+
+        private void OnAdminOocEnabledChanged(bool val)
+        {
+            _adminOocEnabled = val;
+
+            if (!_adminManager.IsActive())
+            {
+                return;
+            }
+
+            _gameChat.Input.PlaceHolder = Loc.GetString(_adminOocEnabled ? "Say something! [ for OOC" : "Say something!");
+        }
+
+        private void OnAdminStatusUpdated()
+        {
+            _gameChat.Input.PlaceHolder = _adminManager.IsActive()
+                ? Loc.GetString(_adminOocEnabled ? "Say something! [ for OOC" : "Say something!")
+                : Loc.GetString(_oocEnabled ? "Say something! [ for OOC" : "Say something!");
+        }
+
         internal static void FocusChat(ChatBox chat)
         {
             if (chat == null || chat.UserInterfaceManager.KeyboardFocused != null)
diff --git a/Content.Server/Administration/AdminManager.cs b/Content.Server/Administration/AdminManager.cs
index f1d9540017..7085525d2f 100644
--- a/Content.Server/Administration/AdminManager.cs
+++ b/Content.Server/Administration/AdminManager.cs
@@ -53,6 +53,11 @@ namespace Content.Server.Administration
         private readonly HashSet<string> _anyCommands = new();
         private readonly Dictionary<string, AdminFlags[]> _adminCommands = new();
 
+        public bool IsAdmin(IPlayerSession session, bool includeDeAdmin = false)
+        {
+            return GetAdminData(session, includeDeAdmin) != null;
+        }
+
         public AdminData? GetAdminData(IPlayerSession session, bool includeDeAdmin = false)
         {
             if (_admins.TryGetValue(session, out var reg) && (reg.Data.Active || includeDeAdmin))
diff --git a/Content.Server/Administration/IAdminManager.cs b/Content.Server/Administration/IAdminManager.cs
index cb7ba4b71d..e6fcd62667 100644
--- a/Content.Server/Administration/IAdminManager.cs
+++ b/Content.Server/Administration/IAdminManager.cs
@@ -25,12 +25,22 @@ namespace Content.Server.Administration
         /// </remarks>
         IEnumerable<IPlayerSession> ActiveAdmins { get; }
 
+        /// <summary>
+        ///     Checks if a player is an admin.
+        /// </summary>
+        /// <param name="session">The player to check.</param>
+        /// <param name="includeDeAdmin">
+        ///     Whether to return admin data for admins that are current de-adminned.
+        /// </param>
+        /// <returns>true if the player is an admin, false otherwise.</returns>
+        bool IsAdmin(IPlayerSession session, bool includeDeAdmin = false);
+
         /// <summary>
         ///     Gets the admin data for a player, if they are an admin.
         /// </summary>
         /// <param name="session">The player to get admin data for.</param>
         /// <param name="includeDeAdmin">
-        /// Whether to return admin data for admins that are current de-adminned.
+        ///     Whether to return admin data for admins that are current de-adminned.
         /// </param>
         /// <returns><see langword="null" /> if the player is not an admin.</returns>
         AdminData? GetAdminData(IPlayerSession session, bool includeDeAdmin = false);
diff --git a/Content.Server/Chat/ChatManager.cs b/Content.Server/Chat/ChatManager.cs
index 4a7d558bee..9a107d1568 100644
--- a/Content.Server/Chat/ChatManager.cs
+++ b/Content.Server/Chat/ChatManager.cs
@@ -8,6 +8,7 @@ using Content.Server.GameObjects.Components.Observer;
 using Content.Server.GameObjects.EntitySystems;
 using Content.Server.Interfaces;
 using Content.Server.Interfaces.Chat;
+using Content.Shared;
 using Content.Shared.Administration;
 using Content.Shared.Chat;
 using Content.Shared.GameObjects.Components.Inventory;
@@ -15,6 +16,7 @@ using Content.Shared.GameObjects.EntitySystems.ActionBlocker;
 using Content.Shared.Interfaces;
 using Robust.Server.GameObjects;
 using Robust.Server.Player;
+using Robust.Shared.Configuration;
 using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 using Robust.Shared.Localization;
@@ -29,10 +31,17 @@ namespace Content.Server.Chat
     /// </summary>
     internal sealed class ChatManager : IChatManager
     {
+        [Dependency] private readonly IServerNetManager _netManager = default!;
+        [Dependency] private readonly IPlayerManager _playerManager = default!;
+        [Dependency] private readonly IMoMMILink _mommiLink = default!;
+        [Dependency] private readonly IAdminManager _adminManager = default!;
+        [Dependency] private readonly IServerPreferencesManager _preferencesManager = default!;
+        [Dependency] private readonly IConfigurationManager _configurationManager = default!;
+
         /// <summary>
         /// The maximum length a player-sent message can be sent
         /// </summary>
-        public int MaxMessageLength = 1000;
+        public const int MaxMessageLength = 1000;
 
         private const int VoiceRange = 7; // how far voice goes in world units
 
@@ -43,12 +52,8 @@ namespace Content.Server.Chat
 
         //TODO: make prio based?
         private List<TransformChat> _chatTransformHandlers;
-
-        [Dependency] private readonly IServerNetManager _netManager = default!;
-        [Dependency] private readonly IPlayerManager _playerManager = default!;
-        [Dependency] private readonly IMoMMILink _mommiLink = default!;
-        [Dependency] private readonly IAdminManager _adminManager = default!;
-        [Dependency] private readonly IServerPreferencesManager _preferencesManager = default!;
+        private bool _oocEnabled = true;
+        private bool _adminOocEnabled = true;
 
         public void Initialize()
         {
@@ -61,6 +66,21 @@ namespace Content.Server.Chat
             _netManager.ServerSendToAll(msg);
 
             _chatTransformHandlers = new List<TransformChat>();
+
+            _configurationManager.OnValueChanged(CCVars.OocEnabled, OnOocEnabledChanged, true);
+            _configurationManager.OnValueChanged(CCVars.AdminOocEnabled, OnAdminOocEnabledChanged, true);
+        }
+
+        private void OnOocEnabledChanged(bool val)
+        {
+            _oocEnabled = val;
+            DispatchServerAnnouncement(val ? "OOC chat has been enabled." : "OOC chat has been disabled.");
+        }
+
+        private void OnAdminOocEnabledChanged(bool val)
+        {
+            _adminOocEnabled = val;
+            DispatchServerAnnouncement(val ? "Admin OOC chat has been enabled." : "Admin OOC chat has been disabled.");
         }
 
         public void DispatchServerAnnouncement(string message)
@@ -166,15 +186,17 @@ namespace Content.Server.Chat
             }
 
             // Check if entity is a player
-            IPlayerSession playerSession = source.GetComponent<IActorComponent>().playerSession;
+            if (!source.TryGetComponent(out IActorComponent actor))
+            {
+                return;
+            }
 
             // Check if message exceeds the character limit
-            if (playerSession != null)
-                if (action.Length > MaxMessageLength)
-                {
-                    DispatchServerMessage(playerSession, Loc.GetString(MaxLengthExceededMessage, MaxMessageLength));
-                    return;
-                }
+            if (actor.playerSession != null && action.Length > MaxMessageLength)
+            {
+                DispatchServerMessage(actor.playerSession, Loc.GetString(MaxLengthExceededMessage, MaxMessageLength));
+                return;
+            }
 
             var pos = source.Transform.Coordinates;
             var clients = _playerManager.GetPlayersInRange(pos, VoiceRange).Select(p => p.ConnectedClient);
@@ -189,6 +211,18 @@ namespace Content.Server.Chat
 
         public void SendOOC(IPlayerSession player, string message)
         {
+            if (_adminManager.IsAdmin(player))
+            {
+                if (!_adminOocEnabled)
+                {
+                    return;
+                }
+            }
+            else if (!_oocEnabled)
+            {
+                return;
+            }
+
             // Check if message exceeds the character limit
             if (message.Length > MaxMessageLength)
             {
@@ -202,7 +236,7 @@ namespace Content.Server.Chat
             msg.MessageWrap = $"OOC: {player.Name}: {{0}}";
             if (_adminManager.HasAdminFlag(player, AdminFlags.Admin))
             {
-                var prefs = _preferencesManager.GetPreferences((player.UserId));
+                var prefs = _preferencesManager.GetPreferences(player.UserId);
                 msg.MessageColorOverride = prefs.AdminOOCColor;
             }
             //TODO: player.Name color, this will need to change the structure of the MsgChatMessage
diff --git a/Content.Shared/CCVars.cs b/Content.Shared/CCVars.cs
index c37c01cb99..522b7c791f 100644
--- a/Content.Shared/CCVars.cs
+++ b/Content.Shared/CCVars.cs
@@ -252,5 +252,14 @@ namespace Content.Shared
          */
 
         public static readonly CVarDef<bool> BrandingSteam = CVarDef.Create("branding.steam", false, CVar.CLIENTONLY);
+
+        /*
+         * OOC
+         */
+
+        public static readonly CVarDef<bool> OocEnabled = CVarDef.Create("ooc.enabled", true, CVar.NOTIFY);
+
+        public static readonly CVarDef<bool> AdminOocEnabled =
+            CVarDef.Create("ooc.enabled_admin", true, CVar.NOTIFY);
     }
 }