diff --git a/rest_framework/status.py b/rest_framework/status.py
index 7df26b388..49ffab7e8 100644
--- a/rest_framework/status.py
+++ b/rest_framework/status.py
@@ -91,3 +91,16 @@ HTTP_508_LOOP_DETECTED = 508
 HTTP_509_BANDWIDTH_LIMIT_EXCEEDED = 509
 HTTP_510_NOT_EXTENDED = 510
 HTTP_511_NETWORK_AUTHENTICATION_REQUIRED = 511
+# Cloudflare-specific HTTP status codes
+HTTP_520_UNKNOWN_ERROR = 520
+HTTP_521_WEB_SERVER_IS_DOWN = 521
+HTTP_522_CONNECTION_TIMED_OUT = 522
+HTTP_523_ORIGIN_IS_UNREACHABLE = 523
+HTTP_524_A_TIMEOUT_OCCURRED = 524
+HTTP_525_SSL_HANDSHAKE_FAILED = 525
+HTTP_526_INVALID_SSL_CERTIFICATE = 526
+HTTP_527_RAILGUN_ERROR = 527
+HTTP_530_ORIGIN_DNS_ERROR = 530
+HTTP_531_ORIGIN_CONNECTION_TIMEOUT = 531
+HTTP_532_ORIGIN_READ_TIMEOUT = 532
+HTTP_533_ORIGIN_UNCERTAIN_ERROR = 533