diff --git a/nx/include/switch/nacp.h b/nx/include/switch/nacp.h
index 3d1aef17..48fee47c 100644
--- a/nx/include/switch/nacp.h
+++ b/nx/include/switch/nacp.h
@@ -1,6 +1,6 @@
 /**
  * @file nacp.h
- * @brief Control.nacp structure.
+ * @brief Control.nacp structure / related code for nacp.
  * @copyright libnx Authors
  */
 
@@ -46,3 +46,6 @@ typedef struct {
     u8 x3140_unk[0xEC0];//Normally all-zero?
 } NacpStruct;
 
+/// Get the NacpLanguageEntry from the input nacp corresponding to the current system language (this may fallback to other languages when needed). Output langentry is NULL if none found / content of entry is empty.
+Result nacpGetLanguageEntry(NacpStruct* nacp, NacpLanguageEntry** langentry);
+
diff --git a/nx/include/switch/services/set.h b/nx/include/switch/services/set.h
index 9d314ffb..57ffeeff 100644
--- a/nx/include/switch/services/set.h
+++ b/nx/include/switch/services/set.h
@@ -30,6 +30,7 @@ typedef enum
     SetLanguage_ENGB =  12, ///< GB English ("BritishEnglish")
     SetLanguage_FRCA =  13, ///< CA French ("CanadianFrench")
     SetLanguage_ES419 = 14, ///< "LatinAmericanSpanish"
+    SetLanguage_Total,      ///< Total languages supported by this enum.
 } SetLanguage;
 
 Result setInitialize(void);
diff --git a/nx/source/runtime/nacp.c b/nx/source/runtime/nacp.c
new file mode 100644
index 00000000..c63ea3fc
--- /dev/null
+++ b/nx/source/runtime/nacp.c
@@ -0,0 +1,76 @@
+#include <string.h>
+#include <stdlib.h>
+
+#include "result.h"
+#include "runtime/env.h"
+#include "kernel/svc.h"
+#include "services/set.h"
+#include "nacp.h"
+
+static u32 g_nacpLanguageTable[15] = {
+    [SetLanguage_JA]    = 2,
+    [SetLanguage_ENUS]  = 0,
+    [SetLanguage_ENGB]  = 1,
+    [SetLanguage_FR]    = 3,
+    [SetLanguage_DE]    = 4,
+    [SetLanguage_ES419] = 5,
+    [SetLanguage_ES]    = 6,
+    [SetLanguage_IT]    = 7,
+    [SetLanguage_NL]    = 8,
+    [SetLanguage_FRCA]  = 9,
+    [SetLanguage_PT]    = 10,
+    [SetLanguage_RU]    = 11,
+    [SetLanguage_KO]    = 12,
+    [SetLanguage_ZHTW]  = 13,
+    [SetLanguage_ZHCN]  = 14,
+};
+
+//Official sw uses nsam for this, but since that's a privileged service, use set-service instead for compatibility with newer system-versions.
+Result nacpGetLanguageEntry(NacpStruct* nacp, NacpLanguageEntry** langentry) {
+    Result rc=0;
+    u64 LanguageCode=0;
+    s32 Language=0;
+    NacpLanguageEntry *entry = NULL;
+    u32 i=0;
+
+    if (nacp==NULL || langentry==NULL)
+        return MAKERESULT(Module_Libnx, LibnxError_BadInput);
+
+    *langentry = NULL;
+
+    rc = setInitialize();
+    if (R_FAILED(rc))
+        return rc;
+
+    rc = setGetSystemLanguage(&LanguageCode);
+    if (R_SUCCEEDED(rc))
+        rc = setMakeLanguage(LanguageCode, &Language);
+
+    if (Language < 0)
+        rc = MAKERESULT(Module_Libnx, LibnxError_BadInput);
+
+    if (R_SUCCEEDED(rc) && Language >= 15)
+        Language = SetLanguage_ENUS;//Use ENUS for unsupported system languages.
+
+    setExit();
+
+    if (R_FAILED(rc))
+        return rc;
+
+    entry = &nacp->lang[g_nacpLanguageTable[Language]];
+
+    if (entry->name[0]==0 && entry->author[0]==0) {
+        for(i=0; i<16; i++) {
+            entry = &nacp->lang[i];
+            if (entry->name[0] || entry->author[0]) break;
+        }
+    }
+
+    if (entry->name[0]==0 && entry->author[0]==0)
+        return rc;
+
+    *langentry = entry;
+
+    return rc;
+}
+