diff --git a/.changeset/lazy-squids-cry.md b/.changeset/lazy-squids-cry.md
new file mode 100644
index 0000000000..6ddfd0bfb9
--- /dev/null
+++ b/.changeset/lazy-squids-cry.md
@@ -0,0 +1,5 @@
+---
+"@sumup-oss/icons": minor
+---
+
+Added a new icon for Japanese flag with correct country code `flag_jp`. Deprecated the old `flag_ja` icon.
diff --git a/packages/icons/manifest.json b/packages/icons/manifest.json
index 6dc164c951..cb39cb0534 100644
--- a/packages/icons/manifest.json
+++ b/packages/icons/manifest.json
@@ -726,11 +726,18 @@
       "size": "16"
     },
     {
-      "name": "flag_ja",
+      "name": "flag_jp",
       "category": "Country flag",
       "keywords": ["Japan"],
       "size": "16"
     },
+    {
+      "name": "flag_ja",
+      "category": "Country flag",
+      "keywords": ["Japan"],
+      "size": "16",
+      "deprecation": "Use the `FlagJp` icon instead."
+    },
     {
       "name": "flag_lt",
       "category": "Country flag",
diff --git a/packages/icons/web/v2/flag_ja_16.svg b/packages/icons/web/v2/flag_ja_16.svg
index 8251b2b760..64795e196a 100644
--- a/packages/icons/web/v2/flag_ja_16.svg
+++ b/packages/icons/web/v2/flag_ja_16.svg
@@ -1,5 +1,5 @@
 <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none" viewBox="0 0 16 16">
     <path fill="#fff" d="M14.476 2H1.524C.682 2 0 2.657 0 3.467v8.066C0 12.343.682 13 1.524 13h12.952c.842 0 1.524-.657 1.524-1.467V3.467C16 2.657 15.318 2 14.476 2"/>
-    <path fill="#CCC" fill-rule="evenodd" d="M1.882 2h12.236C15.158 2 16 2.843 16 3.882v7.53c0 1.04-.843 1.882-1.882 1.882H1.882A1.88 1.88 0 0 1 0 11.412v-7.53C0 2.842.843 2 1.882 2m0 .47c-.78 0-1.411.633-1.411 1.412v7.53c0 .78.632 1.411 1.411 1.411h12.236c.78 0 1.411-.632 1.411-1.411v-7.53c0-.78-.632-1.411-1.411-1.411z" clip-rule="evenodd"/>
+    <path fill="#CCC" fill-rule="evenodd" d="M1.882 2h12.236C15.158 2 16 2.843 16 3.882v7.53c0 1.04-.843 1.882-1.882 1.882H1.882A1.88 1.88 0 0 1 0 11.412v-7.53C0 2.842.843 2 1.882 2m0 .47c-.78 0-1.411.633-1.411 1.412v7.53c0 .78.632 1.411 1.411 1.411h12.236a1.41 1.41 0 0 0 1.411-1.411v-7.53a1.41 1.41 0 0 0-1.411-1.411z" clip-rule="evenodd"/>
     <circle cx="8" cy="7.656" r="3" fill="#BC002D"/>
 </svg>
diff --git a/packages/icons/web/v2/flag_jp_16.svg b/packages/icons/web/v2/flag_jp_16.svg
new file mode 100644
index 0000000000..64795e196a
--- /dev/null
+++ b/packages/icons/web/v2/flag_jp_16.svg
@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none" viewBox="0 0 16 16">
+    <path fill="#fff" d="M14.476 2H1.524C.682 2 0 2.657 0 3.467v8.066C0 12.343.682 13 1.524 13h12.952c.842 0 1.524-.657 1.524-1.467V3.467C16 2.657 15.318 2 14.476 2"/>
+    <path fill="#CCC" fill-rule="evenodd" d="M1.882 2h12.236C15.158 2 16 2.843 16 3.882v7.53c0 1.04-.843 1.882-1.882 1.882H1.882A1.88 1.88 0 0 1 0 11.412v-7.53C0 2.842.843 2 1.882 2m0 .47c-.78 0-1.411.633-1.411 1.412v7.53c0 .78.632 1.411 1.411 1.411h12.236a1.41 1.41 0 0 0 1.411-1.411v-7.53a1.41 1.41 0 0 0-1.411-1.411z" clip-rule="evenodd"/>
+    <circle cx="8" cy="7.656" r="3" fill="#BC002D"/>
+</svg>