diff --git a/src/server/api/endpoints/drive/files/find-by-hash.ts b/src/server/api/endpoints/drive/files/find-by-hash.ts
new file mode 100644
index 0000000000..d56e63bc59
--- /dev/null
+++ b/src/server/api/endpoints/drive/files/find-by-hash.ts
@@ -0,0 +1,44 @@
+import $ from 'cafy';
+import define from '../../../define';
+import { DriveFiles } from '../../../../../models';
+import { types, bool } from '../../../../../misc/schema';
+
+export const meta = {
+	desc: {
+		'ja-JP': '与えられたMD5ハッシュ値を持つファイルを取得します。',
+	},
+
+	tags: ['drive'],
+
+	requireCredential: true,
+
+	kind: 'read:drive',
+
+	params: {
+		md5: {
+			validator: $.str,
+			desc: {
+				'ja-JP': 'ファイルのMD5ハッシュ'
+			}
+		}
+	},
+
+	res: {
+		type: types.array,
+		optional: bool.false, nullable: bool.false,
+		items: {
+			type: types.object,
+			optional: bool.false, nullable: bool.false,
+			ref: 'DriveFile',
+		}
+	},
+};
+
+export default define(meta, async (ps, user) => {
+	const files = await DriveFiles.find({
+		md5: ps.md5,
+		userId: user.id,
+	});
+
+	return await DriveFiles.packMany(files, { self: true });
+});