diff --git a/runelite-api/src/main/java/net/runelite/api/ScriptID.java b/runelite-api/src/main/java/net/runelite/api/ScriptID.java
index 099ebc1537..c2762be1a3 100644
--- a/runelite-api/src/main/java/net/runelite/api/ScriptID.java
+++ b/runelite-api/src/main/java/net/runelite/api/ScriptID.java
@@ -199,6 +199,12 @@ public final class ScriptID
 	@ScriptArguments(integer = 15)
 	public static final int FRIENDS_CHAT_CHANNEL_REBUILD = 1658;
 
+	/**
+	 * Builds the widget that holds all of the players inside a clan chat
+	 */
+	@ScriptArguments(integer = 7)
+	public static final int CLAN_SIDEPANEL_DRAW = 4396;
+
 	/**
 	 * Builds the widget for making an offer in Grand Exchange
 	 */
diff --git a/runelite-api/src/main/java/net/runelite/api/widgets/WidgetID.java b/runelite-api/src/main/java/net/runelite/api/widgets/WidgetID.java
index 7e4588ace8..0b69d793ab 100644
--- a/runelite-api/src/main/java/net/runelite/api/widgets/WidgetID.java
+++ b/runelite-api/src/main/java/net/runelite/api/widgets/WidgetID.java
@@ -921,11 +921,15 @@ public final class WidgetID
 
 	static class Clan
 	{
+		static final int LAYER = 0;
+		static final int HEADER = 1;
 		static final int MEMBERS = 6;
 	}
 
 	static class ClanGuest
 	{
+		static final int LAYER = 0;
+		static final int HEADER = 1;
 		static final int MEMBERS = 6;
 	}
 }
diff --git a/runelite-api/src/main/java/net/runelite/api/widgets/WidgetInfo.java b/runelite-api/src/main/java/net/runelite/api/widgets/WidgetInfo.java
index 8e43b14e66..b5b91a7827 100644
--- a/runelite-api/src/main/java/net/runelite/api/widgets/WidgetInfo.java
+++ b/runelite-api/src/main/java/net/runelite/api/widgets/WidgetInfo.java
@@ -552,7 +552,12 @@ public enum WidgetInfo
 
 	TEMPOROSS_STATUS_INDICATOR(WidgetID.TEMPOROSS_GROUP_ID, WidgetID.TemporossStatus.STATUS_INDICATOR),
 
+	CLAN_LAYER(WidgetID.CLAN_GROUP_ID, WidgetID.Clan.LAYER),
+	CLAN_HEADER(WidgetID.CLAN_GROUP_ID, WidgetID.Clan.HEADER),
 	CLAN_MEMBER_LIST(WidgetID.CLAN_GROUP_ID, WidgetID.Clan.MEMBERS),
+
+	CLAN_GUEST_LAYER(WidgetID.CLAN_GUEST_GROUP_ID, WidgetID.ClanGuest.LAYER),
+	CLAN_GUEST_HEADER(WidgetID.CLAN_GUEST_GROUP_ID, WidgetID.ClanGuest.HEADER),
 	CLAN_GUEST_MEMBER_LIST(WidgetID.CLAN_GUEST_GROUP_ID, WidgetID.ClanGuest.MEMBERS),
 
 	POH_TREASURE_CHEST_INVENTORY_CONTAINER(WidgetID.POH_TREASURE_CHEST_INVENTORY_GROUP_ID, 0),
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/chatchannel/ChatChannelConfig.java b/runelite-client/src/main/java/net/runelite/client/plugins/chatchannel/ChatChannelConfig.java
index eeffc30f4d..66739bf5a4 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/chatchannel/ChatChannelConfig.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/chatchannel/ChatChannelConfig.java
@@ -206,6 +206,18 @@ public interface ChatChannelConfig extends Config
 		return false;
 	}
 
+	@ConfigItem(
+		keyName = "clanChatShowOnlineMemberCount",
+		name = "Show Online Member Count",
+		description = "Shows the number of online clan members at the end of the clan's name.",
+		position = 1,
+		section = clanChatSection
+	)
+	default boolean clanChatShowOnlineMemberCount()
+	{
+		return false;
+	}
+
 	@ConfigItem(
 		keyName = "guestClanChatShowJoinLeave",
 		name = "Show Join/Leave",
@@ -217,4 +229,16 @@ public interface ChatChannelConfig extends Config
 	{
 		return false;
 	}
+
+	@ConfigItem(
+		keyName = "guestClanChatShowOnlineMemberCount",
+		name = "Show Online Member Count",
+		description = "Shows the number of online guest clan members at the end of the clan's name.",
+		position = 1,
+		section = guestClanChatSection
+	)
+	default boolean guestClanChatShowOnlineMemberCount()
+	{
+		return false;
+	}
 }
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/chatchannel/ChatChannelPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/chatchannel/ChatChannelPlugin.java
index 25ac07f449..d1277b981d 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/chatchannel/ChatChannelPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/chatchannel/ChatChannelPlugin.java
@@ -145,6 +145,8 @@ public class ChatChannelPlugin extends Plugin
 		{
 			clientThread.invoke(() -> colorIgnoredPlayers(config.showIgnoresColor()));
 		}
+
+		rebuildClanTitle();
 	}
 
 	@Override
@@ -153,6 +155,7 @@ public class ChatChannelPlugin extends Plugin
 		chats = null;
 		clientThread.invoke(() -> colorIgnoredPlayers(Color.WHITE));
 		rebuildFriendsChat();
+		rebuildClanTitle();
 	}
 
 	@Subscribe
@@ -167,6 +170,8 @@ public class ChatChannelPlugin extends Plugin
 
 			Color ignoreColor = config.showIgnores() ? config.showIgnoresColor() : Color.WHITE;
 			clientThread.invoke(() -> colorIgnoredPlayers(ignoreColor));
+
+			rebuildClanTitle();
 		}
 	}
 
@@ -606,6 +611,18 @@ public class ChatChannelPlugin extends Plugin
 				chatTitle.setText(chatTitle.getText() + " (" + friendsChatManager.getCount() + "/100)");
 			}
 		}
+		else if (event.getScriptId() == ScriptID.CLAN_SIDEPANEL_DRAW)
+		{
+			if (config.clanChatShowOnlineMemberCount())
+			{
+				updateClanTitle(WidgetInfo.CLAN_HEADER, client.getClanChannel());
+			}
+
+			if (config.guestClanChatShowOnlineMemberCount())
+			{
+				updateClanTitle(WidgetInfo.CLAN_GUEST_HEADER, client.getGuestClanChannel());
+			}
+		}
 	}
 
 	private void insertRankIcon(final ChatMessage message)
@@ -740,4 +757,35 @@ public class ChatChannelPlugin extends Plugin
 			listWidget.setTextColor(ignoreColor.getRGB());
 		}
 	}
+
+	private void rebuildClanTitle()
+	{
+		clientThread.invokeLater(() ->
+		{
+			Widget w = client.getWidget(WidgetInfo.CLAN_LAYER);
+			if (w != null)
+			{
+				client.runScript(w.getOnVarTransmitListener());
+			}
+		});
+
+		clientThread.invokeLater(() ->
+		{
+			Widget w = client.getWidget(WidgetInfo.CLAN_GUEST_LAYER);
+			if (w != null)
+			{
+				client.runScript(w.getOnVarTransmitListener());
+			}
+		});
+	}
+
+	private void updateClanTitle(WidgetInfo widget, ClanChannel channel)
+	{
+		Widget header = client.getWidget(widget);
+		if (header != null && channel != null)
+		{
+			Widget title = header.getChild(0);
+			title.setText(title.getText() + " (" + channel.getMembers().size() + ")");
+		}
+	}
 }