diff --git a/src/hactoolnet/CliParser.cs b/src/hactoolnet/CliParser.cs
index ab6872bb..1c19ac0b 100644
--- a/src/hactoolnet/CliParser.cs
+++ b/src/hactoolnet/CliParser.cs
@@ -15,6 +15,7 @@ internal static class CliParser
             new CliOption("verify", 'y', 0, (o, _) => o.Validate = true),
             new CliOption("dev", 'd', 0, (o, _) => o.UseDevKeys = true),
             new CliOption("enablehash", 'h', 0, (o, _) => o.EnableHash = true),
+            new CliOption("disablekeywarns", 0, (o, _) => o.DisableKeyWarns = true),
             new CliOption("keyset", 'k', 1, (o, a) => o.Keyfile = a[0]),
             new CliOption("titlekeys", 1, (o, a) => o.TitleKeyFile = a[0]),
             new CliOption("consolekeys", 1, (o, a) => o.ConsoleKeyFile = a[0]),
@@ -208,6 +209,7 @@ internal static class CliParser
         sb.AppendLine("  -t, --intype=type    Specify input file type [nca, xci, romfs, pfs0, pk11, pk21, ini1, kip1, switchfs, save, ndv0, keygen, romfsbuild, pfsbuild]");
         sb.AppendLine("  --titlekeys <file>   Load title keys from an external file.");
         sb.AppendLine("  --accesslog <file>   Specify the access log file path.");
+        sb.AppendLine("  --disablekeywarns    Disables warning output when loading external keys.");
         sb.AppendLine("NCA options:");
         sb.AppendLine("  --plaintext <file>   Specify file path for saving a decrypted copy of the NCA.");
         sb.AppendLine("  --ciphertext <file>  Specify file path for saving an encrypted copy of the NCA.");
diff --git a/src/hactoolnet/Options.cs b/src/hactoolnet/Options.cs
index 9f0f3fdd..9754a4db 100644
--- a/src/hactoolnet/Options.cs
+++ b/src/hactoolnet/Options.cs
@@ -13,6 +13,7 @@ internal class Options
     public bool Validate;
     public bool UseDevKeys;
     public bool EnableHash;
+    public bool DisableKeyWarns;
     public string Keyfile;
     public string TitleKeyFile;
     public string ConsoleKeyFile;
diff --git a/src/hactoolnet/Program.cs b/src/hactoolnet/Program.cs
index 4c9f9797..a7eb00d0 100644
--- a/src/hactoolnet/Program.cs
+++ b/src/hactoolnet/Program.cs
@@ -221,6 +221,8 @@ public static class Program
 
         var keySet = KeySet.CreateDefaultKeySet();
 
+        var logger = ctx.Options.DisableKeyWarns ? null : ctx.Logger;
+
         // If the user specifies a key file then only load that file into the mode they specified,
         // otherwise load both prod.keys and dev.keys.
         // Todo: Should we add a way that both dev-only key files and mixed prod/dev key files
@@ -228,11 +230,11 @@ public static class Program
         if (ctx.Options.Keyfile != null && File.Exists(ctx.Options.Keyfile))
         {
             keySet.SetMode(ctx.Options.KeyMode);
-            ExternalKeyReader.ReadKeyFile(keySet, ctx.Options.Keyfile, titleKeyFile, consoleKeyFile, ctx.Logger);
+            ExternalKeyReader.ReadKeyFile(keySet, ctx.Options.Keyfile, titleKeyFile, consoleKeyFile, logger);
         }
         else
         {
-            ExternalKeyReader.ReadKeyFile(keySet, prodKeyFile, devKeyFile, titleKeyFile, consoleKeyFile, ctx.Logger);
+            ExternalKeyReader.ReadKeyFile(keySet, prodKeyFile, devKeyFile, titleKeyFile, consoleKeyFile, logger);
         }
 
         keySet.SetMode(ctx.Options.KeyMode);