diff --git a/moto/s3/responses.py b/moto/s3/responses.py
index 4c546c595..61ebff9d0 100644
--- a/moto/s3/responses.py
+++ b/moto/s3/responses.py
@@ -20,7 +20,7 @@ from .exceptions import BucketAlreadyExists, S3ClientError, MissingBucket, Missi
     MalformedACLError, InvalidNotificationARN, InvalidNotificationEvent, ObjectNotInActiveTierError
 from .models import s3_backend, get_canned_acl, FakeGrantee, FakeGrant, FakeAcl, FakeKey, FakeTagging, FakeTagSet, \
     FakeTag
-from .utils import bucket_name_from_url, clean_key_name, metadata_from_headers, parse_region_from_url
+from .utils import bucket_name_from_url, clean_key_name, undo_clean_key_name, metadata_from_headers, parse_region_from_url
 from xml.dom import minidom
 
 
@@ -711,7 +711,7 @@ class ResponseObject(_TemplateEnvironmentMixin, ActionAuthenticatorMixin):
 
         for k in keys:
             key_name = k.firstChild.nodeValue
-            success = self.backend.delete_key(bucket_name, key_name)
+            success = self.backend.delete_key(bucket_name, undo_clean_key_name(key_name))
             if success:
                 deleted_names.append(key_name)
             else:
diff --git a/moto/s3/utils.py b/moto/s3/utils.py
index 85a812aad..3bdd24cc4 100644
--- a/moto/s3/utils.py
+++ b/moto/s3/utils.py
@@ -5,7 +5,7 @@ import os
 from boto.s3.key import Key
 import re
 import six
-from six.moves.urllib.parse import urlparse, unquote
+from six.moves.urllib.parse import urlparse, unquote, quote
 import sys
 
 
@@ -71,10 +71,15 @@ def metadata_from_headers(headers):
 def clean_key_name(key_name):
     if six.PY2:
         return unquote(key_name.encode('utf-8')).decode('utf-8')
-
     return unquote(key_name)
 
 
+def undo_clean_key_name(key_name):
+    if six.PY2:
+        return quote(key_name.encode('utf-8')).decode('utf-8')
+    return quote(key_name)
+
+
 class _VersionedKeyStore(dict):
 
     """ A simplified/modified version of Django's `MultiValueDict` taken from:
diff --git a/tests/test_s3/test_s3.py b/tests/test_s3/test_s3.py
index 2764ee2c5..336639a8c 100644
--- a/tests/test_s3/test_s3.py
+++ b/tests/test_s3/test_s3.py
@@ -21,6 +21,7 @@ from botocore.handlers import disable_signing
 from boto.s3.connection import S3Connection
 from boto.s3.key import Key
 from freezegun import freeze_time
+from parameterized import parameterized
 import six
 import requests
 import tests.backport_assert_raises  # noqa
@@ -3046,3 +3047,39 @@ def test_root_dir_with_empty_name_works():
     if os.environ.get('TEST_SERVER_MODE', 'false').lower() == 'true':
         raise SkipTest('Does not work in server mode due to error in Workzeug')
     store_and_read_back_a_key('/')
+
+
+@parameterized([
+    ('foo/bar/baz',),
+    ('foo',),
+    ('foo/run_dt%3D2019-01-01%252012%253A30%253A00',),
+])
+@mock_s3
+def test_delete_objects_with_url_encoded_key(key):
+    s3 = boto3.client('s3', region_name='us-east-1')
+    bucket_name = 'mybucket'
+    body = b'Some body'
+
+    s3.create_bucket(Bucket=bucket_name)
+
+    def put_object():
+        s3.put_object(
+            Bucket=bucket_name,
+            Key=key,
+            Body=body
+        )
+
+    def assert_deleted():
+        with assert_raises(ClientError) as e:
+            s3.get_object(Bucket=bucket_name, Key=key)
+
+        e.exception.response['Error']['Code'].should.equal('NoSuchKey')
+
+    put_object()
+    s3.delete_object(Bucket=bucket_name, Key=key)
+    assert_deleted()
+
+    put_object()
+    s3.delete_objects(Bucket=bucket_name, Delete={'Objects': [{'Key': key}]})
+    assert_deleted()
+
diff --git a/tests/test_s3/test_s3_utils.py b/tests/test_s3/test_s3_utils.py
index ce9f54c75..93a4683e6 100644
--- a/tests/test_s3/test_s3_utils.py
+++ b/tests/test_s3/test_s3_utils.py
@@ -1,7 +1,8 @@
 from __future__ import unicode_literals
 import os
 from sure import expect
-from moto.s3.utils import bucket_name_from_url, _VersionedKeyStore, parse_region_from_url
+from moto.s3.utils import bucket_name_from_url, _VersionedKeyStore, parse_region_from_url, clean_key_name, undo_clean_key_name
+from parameterized import parameterized
 
 
 def test_base_url():
@@ -78,3 +79,29 @@ def test_parse_region_from_url():
                 'https://s3.amazonaws.com/bucket',
                 'https://bucket.s3.amazonaws.com']:
         parse_region_from_url(url).should.equal(expected)
+
+
+@parameterized([
+    ('foo/bar/baz',
+     'foo/bar/baz'),
+    ('foo',
+     'foo'),
+    ('foo/run_dt%3D2019-01-01%252012%253A30%253A00',
+     'foo/run_dt=2019-01-01%2012%3A30%3A00'),
+])
+def test_clean_key_name(key, expected):
+    clean_key_name(key).should.equal(expected)
+
+
+@parameterized([
+    ('foo/bar/baz',
+     'foo/bar/baz'),
+    ('foo',
+     'foo'),
+    ('foo/run_dt%3D2019-01-01%252012%253A30%253A00',
+     'foo/run_dt%253D2019-01-01%25252012%25253A30%25253A00'),
+])
+def test_undo_clean_key_name(key, expected):
+    undo_clean_key_name(key).should.equal(expected)
+
+