diff --git a/server/src/main/java/com/ticketing/server/user/exception/DuplicateEmailException.java b/server/src/main/java/com/ticketing/server/user/exception/DuplicateEmailException.java
new file mode 100644
index 0000000..75587ff
--- /dev/null
+++ b/server/src/main/java/com/ticketing/server/user/exception/DuplicateEmailException.java
@@ -0,0 +1,11 @@
+package com.ticketing.server.user.exception;
+
+public class DuplicateEmailException extends RuntimeException {
+
+	private static final String MESSAGE = "이미 존재하는 이메일 입니다. :: %s";
+
+	public DuplicateEmailException(String email) {
+		super(String.format(MESSAGE, email));
+	}
+
+}