diff --git a/lemur/certificates/schemas.py b/lemur/certificates/schemas.py
index 78217de0..64cc487f 100644
--- a/lemur/certificates/schemas.py
+++ b/lemur/certificates/schemas.py
@@ -255,6 +255,7 @@ class CertificateUploadInputSchema(CertificateCreationSchema):
     private_key = fields.String()
     body = fields.String(required=True)
     chain = fields.String(missing=None, allow_none=True)
+    csr = fields.String(required=False, allow_none=True, validate=validators.csr)
 
     destinations = fields.Nested(AssociatedDestinationSchema, missing=[], many=True)
     notifications = fields.Nested(AssociatedNotificationSchema, missing=[], many=True)
diff --git a/lemur/certificates/views.py b/lemur/certificates/views.py
index e77160b2..fe1a1f9c 100644
--- a/lemur/certificates/views.py
+++ b/lemur/certificates/views.py
@@ -306,6 +306,7 @@ class CertificatesUpload(AuthenticatedResource):
                  "body": "-----BEGIN CERTIFICATE-----...",
                  "chain": "-----BEGIN CERTIFICATE-----...",
                  "privateKey": "-----BEGIN RSA PRIVATE KEY-----..."
+                 "csr": "-----BEGIN CERTIFICATE REQUEST-----..."
                  "destinations": [],
                  "notifications": [],
                  "replacements": [],
diff --git a/lemur/static/app/angular/certificates/certificate/upload.tpl.html b/lemur/static/app/angular/certificates/certificate/upload.tpl.html
index c3339051..bf897a60 100644
--- a/lemur/static/app/angular/certificates/certificate/upload.tpl.html
+++ b/lemur/static/app/angular/certificates/certificate/upload.tpl.html
@@ -62,6 +62,19 @@
           a valid certificate.</p>
       </div>
     </div>
+    <div class="form-group"
+         ng-class="{'has-error': uploadForm.csr.$invalid&&uploadForm.csr.$dirty, 'has-success': !uploadForm.csr.$invalid&&uploadForm.csr.$dirty}">
+      <label class="control-label col-sm-2">
+        Certificate Signing Request (CSR)
+      </label>
+      <div class="col-sm-10">
+                <textarea name="csr" ng-model="certificate.csr" placeholder="PEM encoded string..."
+                          class="form-control"
+                          ng-pattern="/^-----BEGIN CERTIFICATE REQUEST-----/"></textarea>
+        <p ng-show="uploadForm.csr.$invalid && !uploadForm.csr.$pristine"
+             class="help-block">Enter a valid certificate signing request.</p>
+      </div>
+    </div>
     <div class="form-group"
          ng-class="{'has-error': uploadForm.owner.$invalid&&uploadform.intermediateCert.$dirty, 'has-success': !uploadForm.intermediateCert.$invalid&&uploadForm.intermediateCert.$dirty}">
       <label class="control-label col-sm-2">
diff --git a/lemur/tests/test_certificates.py b/lemur/tests/test_certificates.py
index 4013d367..d6e6a7e8 100644
--- a/lemur/tests/test_certificates.py
+++ b/lemur/tests/test_certificates.py
@@ -18,7 +18,7 @@ from lemur.domains.models import Domain
 
 
 from lemur.tests.vectors import VALID_ADMIN_API_TOKEN, VALID_ADMIN_HEADER_TOKEN, VALID_USER_HEADER_TOKEN, CSR_STR, \
-    INTERMEDIATE_CERT_STR, SAN_CERT_STR, SAN_CERT_KEY, ROOTCA_KEY, ROOTCA_CERT_STR
+    INTERMEDIATE_CERT_STR, SAN_CERT_STR, SAN_CERT_CSR, SAN_CERT_KEY, ROOTCA_KEY, ROOTCA_CERT_STR
 
 
 def test_get_or_increase_name(session, certificate):
@@ -456,6 +456,7 @@ def test_certificate_upload_schema_ok(client):
         'body': SAN_CERT_STR,
         'privateKey': SAN_CERT_KEY,
         'chain': INTERMEDIATE_CERT_STR,
+        'csr': SAN_CERT_CSR,
         'external_id': '1234',
     }
     data, errors = CertificateUploadInputSchema().load(data)
diff --git a/lemur/tests/vectors.py b/lemur/tests/vectors.py
index 06e7445a..cb5800a1 100644
--- a/lemur/tests/vectors.py
+++ b/lemur/tests/vectors.py
@@ -137,6 +137,26 @@ eMVHHbWm1CpGO294R+vMBv4jcuhIBOx63KZE4VaoJuaazF6TE5czDw==
 
 
 #: CN=san.example.org, issued by LemurTrust Unittests Class 1 CA 2018
+SAN_CERT_CSR = """\
+-----BEGIN CERTIFICATE REQUEST-----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+-----END CERTIFICATE REQUEST-----
+"""
+
 SAN_CERT_STR = """\
 -----BEGIN CERTIFICATE-----
 MIIESjCCAzKgAwIBAgIRAK/y20+NLU2OgPo4KuJ8IzMwDQYJKoZIhvcNAQELBQAw