diff --git a/game/addons/sourcemod/scripting/include/sourcebanspp.inc b/game/addons/sourcemod/scripting/include/sourcebanspp.inc
index f29563c3e..4f534b7c2 100644
--- a/game/addons/sourcemod/scripting/include/sourcebanspp.inc
+++ b/game/addons/sourcemod/scripting/include/sourcebanspp.inc
@@ -81,6 +81,7 @@ public void __pl_sourcebanspp_SetNTVOptional()
 {
 	MarkNativeAsOptional("SBBanPlayer");
 	MarkNativeAsOptional("SBPP_BanPlayer");
+	MarkNativeAsOptional("SBPP_BanPlayerBySteamId");
 	MarkNativeAsOptional("SBPP_ReportPlayer");
 }
 #endif
@@ -109,6 +110,20 @@ native void SBBanPlayer(int iAdmin, int iTarget, int iTime, const char[] sReason
  *********************************************************/
 native void SBPP_BanPlayer(int iAdmin, int iTarget, int iTime, const char[] sReason);
 
+/*********************************************************
+ * Ban a player by SteamID — supports offline/disconnected players.
+ * Inserts the ban directly into the SourceBans++ database.
+ * Fires SBPP_OnBanPlayer with iTarget = -1 to indicate an offline ban.
+ *
+ * @param iAdmin	Client index of the admin (0 = server / automated)
+ * @param steamId	SteamID string, e.g. "STEAM_0:0:12345"
+ * @param name		Player name; may be empty string if unknown
+ * @param iTime		Ban duration in minutes (0 = permanent)
+ * @param sReason	Reason for the ban
+ * @noreturn
+ *********************************************************/
+native void SBPP_BanPlayerBySteamId(int iAdmin, const char[] steamId, const char[] name, int iTime, const char[] sReason);
+
 /*********************************************************
  * Reports a player
  *
diff --git a/game/addons/sourcemod/scripting/sbpp_main.sp b/game/addons/sourcemod/scripting/sbpp_main.sp
index 44d52838f..9da671ec1 100644
--- a/game/addons/sourcemod/scripting/sbpp_main.sp
+++ b/game/addons/sourcemod/scripting/sbpp_main.sp
@@ -144,6 +144,7 @@ public APLRes AskPluginLoad2(Handle myself, bool late, char[] error, int err_max
 
 	CreateNative("SBBanPlayer", Native_SBBanPlayer);
 	CreateNative("SBPP_BanPlayer", Native_SBBanPlayer);
+	CreateNative("SBPP_BanPlayerBySteamId", Native_SBPP_BanPlayerBySteamId);
 	CreateNative("SBPP_ReportPlayer", Native_SBReportPlayer);
 
 	g_hFwd_OnBanAdded = CreateGlobalForward("SBPP_OnBanPlayer", ET_Ignore, Param_Cell, Param_Cell, Param_Cell, Param_String);
@@ -2382,6 +2383,148 @@ public int Native_SBBanPlayer(Handle plugin, int numParams)
 	return true;
 }
 
+public int Native_SBPP_BanPlayerBySteamId(Handle plugin, int numParams)
+{
+	if (DB == INVALID_HANDLE)
+	{
+		ThrowNativeError(SP_ERROR_NATIVE, "SourceBans++ database is not available.");
+		return 0;
+	}
+
+	int admin = GetNativeCell(1);
+	int iTime = GetNativeCell(4);
+
+	char steamId[MAX_AUTHID_LENGTH], name[MAX_NAME_LENGTH], reason[128];
+	GetNativeString(2, steamId, sizeof(steamId));
+	GetNativeString(3, name, sizeof(name));
+	GetNativeString(5, reason, sizeof(reason));
+
+	if (strncmp(steamId, "STEAM_", 6, false) != 0)
+	{
+		ThrowNativeError(SP_ERROR_NATIVE, "SBPP_BanPlayerBySteamId: steamId must be in SteamID2 format (STEAM_X:Y:Z), got: %s", steamId);
+		return 0;
+	}
+
+	if (reason[0] == '\0')
+		strcopy(reason, sizeof(reason), "Banned by SourceBans");
+
+	char adminAuth[MAX_AUTHID_LENGTH], adminIp[16];
+	if (!admin || !IsClientInGame(admin))
+	{
+		strcopy(adminAuth, sizeof(adminAuth), "STEAM_ID_SERVER");
+		strcopy(adminIp, sizeof(adminIp), ServerIp);
+	}
+	else
+	{
+		strcopy(adminAuth, sizeof(adminAuth), g_sSteamIDs[admin]);
+		strcopy(adminIp, sizeof(adminIp), g_sPlayerIP[admin]);
+	}
+
+	DataPack pack = new DataPack();
+	pack.WriteCell(admin);
+	pack.WriteCell(iTime);
+	pack.WriteString(reason);
+	pack.WriteString(steamId);
+	pack.WriteString(name);
+	pack.WriteString(adminAuth);
+	pack.WriteString(adminIp);
+
+	char steamIdEscaped[MAX_AUTHID_LENGTH * 2 + 1];
+	DB.Escape(steamId, steamIdEscaped, sizeof(steamIdEscaped));
+
+	char query[512];
+	FormatEx(query, sizeof(query), "SELECT bid FROM %s_bans WHERE type = 0 AND authid = '%s' AND (length = 0 OR ends > UNIX_TIMESTAMP()) AND RemoveType IS NULL",
+		DatabasePrefix, steamIdEscaped);
+
+	DB.Query(DB_OnBanBySteamIdSelect, query, pack, DBPrio_High);
+
+	return 0;
+}
+
+void DB_OnBanBySteamIdSelect(Database db, DBResultSet results, const char[] error, DataPack pack)
+{
+	if (results == null)
+	{
+		LogToFile(logFile, "[SBPP] BanPlayerBySteamId select failed: %s", error);
+		delete pack;
+		return;
+	}
+
+	pack.Reset();
+	int admin = pack.ReadCell();
+	int iTime = pack.ReadCell();
+	char reason[128], steamId[MAX_AUTHID_LENGTH], name[MAX_NAME_LENGTH], adminAuth[MAX_AUTHID_LENGTH], adminIp[16];
+	pack.ReadString(reason, sizeof(reason));
+	pack.ReadString(steamId, sizeof(steamId));
+	pack.ReadString(name, sizeof(name));
+	pack.ReadString(adminAuth, sizeof(adminAuth));
+	pack.ReadString(adminIp, sizeof(adminIp));
+	delete pack;
+
+	if (results.RowCount > 0)
+	{
+		LogToFile(logFile, "[SBPP] BanPlayerBySteamId: %s is already banned, skipping.", steamId);
+		return;
+	}
+
+	char steamIdEscaped[MAX_AUTHID_LENGTH * 2 + 1], nameEscaped[MAX_NAME_LENGTH * 2 + 1], reasonEscaped[256];
+	DB.Escape(steamId, steamIdEscaped, sizeof(steamIdEscaped));
+	DB.Escape(name, nameEscaped, sizeof(nameEscaped));
+	DB.Escape(reason, reasonEscaped, sizeof(reasonEscaped));
+
+	char query[1024];
+	if (serverID == -1)
+	{
+		FormatEx(query, sizeof(query), "INSERT INTO %s_bans (authid, name, created, ends, length, reason, aid, adminIp, sid, country) VALUES \
+			('%s', '%s', UNIX_TIMESTAMP(), UNIX_TIMESTAMP() + %d, %d, '%s', \
+			IFNULL((SELECT aid FROM %s_admins WHERE authid = '%s' OR authid REGEXP '^STEAM_[0-9]:%s$'),'0'), '%s', \
+			(SELECT sid FROM %s_servers WHERE ip = '%s' AND port = '%s' LIMIT 0,1), ' ')",
+			DatabasePrefix, steamIdEscaped, nameEscaped, (iTime * 60), (iTime * 60), reasonEscaped,
+			DatabasePrefix, adminAuth, adminAuth[8], adminIp,
+			DatabasePrefix, ServerIp, ServerPort);
+	}
+	else
+	{
+		FormatEx(query, sizeof(query), "INSERT INTO %s_bans (authid, name, created, ends, length, reason, aid, adminIp, sid, country) VALUES \
+			('%s', '%s', UNIX_TIMESTAMP(), UNIX_TIMESTAMP() + %d, %d, '%s', \
+			IFNULL((SELECT aid FROM %s_admins WHERE authid = '%s' OR authid REGEXP '^STEAM_[0-9]:%s$'),'0'), '%s', \
+			%d, ' ')",
+			DatabasePrefix, steamIdEscaped, nameEscaped, (iTime * 60), (iTime * 60), reasonEscaped,
+			DatabasePrefix, adminAuth, adminAuth[8], adminIp,
+			serverID);
+	}
+
+	DataPack fwdPack = new DataPack();
+	fwdPack.WriteCell(admin);
+	fwdPack.WriteCell(iTime);
+	fwdPack.WriteString(reason);
+
+	DB.Query(DB_OnBanBySteamIdInsert, query, fwdPack, DBPrio_High);
+}
+
+void DB_OnBanBySteamIdInsert(Database db, DBResultSet results, const char[] error, DataPack pack)
+{
+	pack.Reset();
+	int admin = pack.ReadCell();
+	int iTime = pack.ReadCell();
+	char reason[128];
+	pack.ReadString(reason, sizeof(reason));
+	delete pack;
+
+	if (results == null)
+	{
+		LogToFile(logFile, "[SBPP] BanPlayerBySteamId insert failed: %s", error);
+		return;
+	}
+
+	Call_StartForward(g_hFwd_OnBanAdded);
+	Call_PushCell(admin);
+	Call_PushCell(-1);
+	Call_PushCell(iTime);
+	Call_PushString(reason);
+	Call_Finish();
+}
+
 public int Native_SBReportPlayer(Handle plugin, int numParams)
 {
 	if (numParams < 3)