diff --git a/index.html b/index.html
index 2d5273d..9a4476a 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,25 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Arena Picker</title>
+
+    <!-- OpenGraph Meta Tags -->
+    <meta property="og:type" content="website" />
+    <meta property="og:title" content="Arena Picker" />
+    <meta
+      property="og:description"
+      content="친구들의 닉네임을 입력하고 최후의 승자를 가려보세요! 화려한 픽셀 아트 기반 자동 전투 시뮬레이션."
+    />
+    <meta property="og:image" content="/assets/og-image.png" />
+
+    <!-- Twitter Meta Tags -->
+    <meta name="twitter:card" content="summary_large_image" />
+    <meta name="twitter:title" content="Arena Picker" />
+    <meta
+      name="twitter:description"
+      content="친구들의 닉네임을 입력하고 최후의 승자를 가려보세요! 화려한 픽셀 아트 기반 자동 전투 시뮬레이션."
+    />
+    <meta name="twitter:image" content="/assets/og-image.png" />
+
     <link
       rel="icon"
       href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>⚔️</text></svg>"
diff --git a/public/assets/og-image.png b/public/assets/og-image.png
new file mode 100644
index 0000000..e27a15c
Binary files /dev/null and b/public/assets/og-image.png differ