diff --git a/charts/prometheus-rabbitmq-exporter/templates/deployment.yaml b/charts/prometheus-rabbitmq-exporter/templates/deployment.yaml
index 83aedf52df00..99c50e75662b 100644
--- a/charts/prometheus-rabbitmq-exporter/templates/deployment.yaml
+++ b/charts/prometheus-rabbitmq-exporter/templates/deployment.yaml
@@ -59,8 +59,13 @@ spec:
               - name: RABBIT_PASSWORD
                 value: {{ .Values.rabbitmq.password }}
            {{- end }}
-
-           {{- if .Values.rabbitmq.user }}
+           {{- if .Values.rabbitmq.existingUserSecret }}
+              - name: RABBIT_USER
+                valueFrom:
+                  secretKeyRef:
+                    name: "{{ .Values.rabbitmq.existingUserSecret }}"
+                    key: "{{ .Values.rabbitmq.existingUserSecretKey }}"
+           {{- else if .Values.rabbitmq.user }}
               - name: RABBIT_USER
                 value: {{ .Values.rabbitmq.user }}
            {{- end }}
diff --git a/charts/prometheus-rabbitmq-exporter/values.yaml b/charts/prometheus-rabbitmq-exporter/values.yaml
index 029e1e9b95e4..c28a0c303de3 100644
--- a/charts/prometheus-rabbitmq-exporter/values.yaml
+++ b/charts/prometheus-rabbitmq-exporter/values.yaml
@@ -39,6 +39,9 @@ rabbitmq:
   url: http://myrabbit:15672
   user: guest
   password: guest
+  # If existingUserSecret is set then user is ignored
+  existingUserSecret: ~
+  existingUserSecretKey: username
   # If existingPasswordSecret is set then password is ignored
   existingPasswordSecret: ~
   existingPasswordSecretKey: password